SSL Report: serviceportal.waltrop.de (194.31.27.10)
Assessed on:  Fri, 25 Jul 2025 15:55:18 UTC | Clear cache

Due to a recently discovered bug in Apple's code, your browser is exposed to MITM attacks. Click here for more information.

Summary
Overall Rating
B
0
20
40
60
80
100
Certificate
 
Protocol Support
 
Key Exchange
 
Cipher Strength
 

Visit our documentation page for more information, configuration guides, and books. Known issues are documented here.
This server's certificate chain is incomplete. Grade capped to B.
This server does not support TLS 1.3.  MORE INFO »
This site works only in browsers with SNI support.
HTTP Strict Transport Security (HSTS) with long duration deployed on this server.  MORE INFO »
Certificate #1: EC 384 bits (SHA256withECDSA)
Server Key and Certificate #1
Subject serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=
Common names serviceportal.waltrop.de
Alternative names serviceportal.waltrop.de www.serviceportal.waltrop.de
Serial Number 0bf3d1d50cffd089fc6e98102cc9a606
Valid from Tue, 22 Jul 2025 00:00:00 UTC
Valid until Tue, 28 Jul 2026 23:59:59 UTC (expires in 1 year)
Key EC 384 bits
Weak key (Debian) No
Issuer RapidSSL TLS ECC CA G1
AIA: http://cacerts.rapidssl.com/RapidSSLTLSECCCAG1.crt
Signature algorithm SHA256withECDSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://cdp.rapidssl.com/RapidSSLTLSECCCAG1.crl
OCSP: http://status.rapidssl.com
Revocation status Good (not revoked)
DNS CAA No (more info)
Trusted Yes
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 1 (1252 bytes)
Chain issues Incomplete


Certification Paths
Path #1: Trusted
1 Sent by server serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=

EC 384 bits / SHA256withECDSA
2 Extra download RapidSSL TLS ECC CA G1
Fingerprint SHA256: fc16d53203bd9187d69cc99d2da551076b4dcb298140d6751f7a012966c99fdd
Pin SHA256: cBtUiO+mwdgMfNeEp/qKuEHswRn2nHp2FDUKVi/aTDw=

EC 256 bits / SHA256withECDSA
3 In trust store DigiCert Global Root G3   Self-signed
Fingerprint SHA256: 31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0
Pin SHA256: uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc=

EC 384 bits / SHA384withECDSA
Path #1: Trusted
1 Sent by server serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=

EC 384 bits / SHA256withECDSA
2 Extra download RapidSSL TLS ECC CA G1
Fingerprint SHA256: fc16d53203bd9187d69cc99d2da551076b4dcb298140d6751f7a012966c99fdd
Pin SHA256: cBtUiO+mwdgMfNeEp/qKuEHswRn2nHp2FDUKVi/aTDw=

EC 256 bits / SHA256withECDSA
3 In trust store DigiCert Global Root G3   Self-signed
Fingerprint SHA256: 31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0
Pin SHA256: uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc=

EC 384 bits / SHA384withECDSA
Path #1: Trusted
1 Sent by server serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=

EC 384 bits / SHA256withECDSA
2 Extra download RapidSSL TLS ECC CA G1
Fingerprint SHA256: fc16d53203bd9187d69cc99d2da551076b4dcb298140d6751f7a012966c99fdd
Pin SHA256: cBtUiO+mwdgMfNeEp/qKuEHswRn2nHp2FDUKVi/aTDw=

EC 256 bits / SHA256withECDSA
3 In trust store DigiCert Global Root G3   Self-signed
Fingerprint SHA256: 31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0
Pin SHA256: uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc=

EC 384 bits / SHA384withECDSA
Path #1: Trusted
1 Sent by server serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=

EC 384 bits / SHA256withECDSA
2 Extra download RapidSSL TLS ECC CA G1
Fingerprint SHA256: fc16d53203bd9187d69cc99d2da551076b4dcb298140d6751f7a012966c99fdd
Pin SHA256: cBtUiO+mwdgMfNeEp/qKuEHswRn2nHp2FDUKVi/aTDw=

EC 256 bits / SHA256withECDSA
3 In trust store DigiCert Global Root G3   Self-signed
Fingerprint SHA256: 31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0
Pin SHA256: uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc=

EC 384 bits / SHA384withECDSA
Path #1: Trusted
1 Sent by server serviceportal.waltrop.de
Fingerprint SHA256: 5b904740c7babfea379129dd77f7a6cdec24392e69c9a175a9809dd73f2977bc
Pin SHA256: Gy6nernnqwkMPyn34XIoBVT4NKr19dBInJktt4sW75g=

EC 384 bits / SHA256withECDSA
2 Extra download RapidSSL TLS ECC CA G1
Fingerprint SHA256: fc16d53203bd9187d69cc99d2da551076b4dcb298140d6751f7a012966c99fdd
Pin SHA256: cBtUiO+mwdgMfNeEp/qKuEHswRn2nHp2FDUKVi/aTDw=

EC 256 bits / SHA256withECDSA
3 In trust store DigiCert Global Root G3   Self-signed
Fingerprint SHA256: 31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0
Pin SHA256: uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc=

EC 384 bits / SHA384withECDSA

Click here to expand

Certificate #2: RSA 2048 bits (SHA256withRSA)
Server Key and Certificate #1
Subject serviceportal-qs.gkd-re.de
Fingerprint SHA256: df96f267d6c1dd99dfb586a4bc822e5487a86ebd30eaf65d2820d3a804958608
Pin SHA256: cU/ReyxdZTJjELkr/yCKHPPjP2gcRB8+HSEn+u+ad3A=
Common names serviceportal-qs.gkd-re.de
Alternative names serviceportal-qs.gkd-re.de serviceportal-qs-api.gkd-re.de   MISMATCH
Serial Number 6579437342e456029e2b35be068fc5baa04afde4
Valid from Wed, 22 May 2024 08:54:37 UTC
Valid until Fri, 31 Dec 9999 23:59:59 UTC (expires in 7974 years and 5 months)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer citkoPortal-qs-serviceportal
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency No
OCSP Must Staple No
Revocation information None
Trusted No   NOT TRUSTED
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 1 (822 bytes)
Chain issues Incomplete


Certification Paths
No trust paths available
Issuer unknown, or intermediate certificate(s) missing.
No trust paths available
Issuer unknown, or intermediate certificate(s) missing.
No trust paths available
Issuer unknown, or intermediate certificate(s) missing.
No trust paths available
Issuer unknown, or intermediate certificate(s) missing.
No trust paths available
Issuer unknown, or intermediate certificate(s) missing.

Click here to expand

Click here to expand

Configuration
Protocols
TLS 1.3 No
TLS 1.2 Yes*
TLS 1.1 No
TLS 1.0 No
SSL 3 No
SSL 2 No
(*) Experimental: Server negotiated using No-SNI


Cipher Suites
# TLS 1.2 (server has no preference)
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 (0xc023)   ECDH secp521r1 (eq. 15360 bits RSA)   FS   WEAK 128
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)   ECDH secp521r1 (eq. 15360 bits RSA)   FS 128
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 (0xc024)   ECDH secp521r1 (eq. 15360 bits RSA)   FS   WEAK 256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c)   ECDH secp521r1 (eq. 15360 bits RSA)   FS 256
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca9)   ECDH secp521r1 (eq. 15360 bits RSA)   FS 256


Handshake Simulation
Android 4.4.2 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
Android 5.0.0 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp521r1  FS
Android 6.0 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 7.0 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.0 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.1 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 9.0 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
BingPreview Jan 2015 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
Chrome 49 / XP SP3 Server sent fatal alert: handshake_failure
Chrome 69 / Win 7  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Chrome 70 / Win 10 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Chrome 80 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Firefox 31.3.0 ESR / Win 7 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 47 / Win 7  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 49 / XP SP3 EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 62 / Win 7  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Firefox 73 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Googlebot Feb 2018 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
IE 11 / Win 7  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
IE 11 / Win 8.1  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
IE 11 / Win Phone 8.1  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
IE 11 / Win Phone 8.1 Update  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
IE 11 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 15 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 16 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 18 / Win 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 13 / Win Phone 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Java 8u161 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Java 11.0.3 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Java 12.0.1 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.0.1l  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
OpenSSL 1.0.2s  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.1.0k  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
OpenSSL 1.1.1c  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Safari 6 / iOS 6.0.1 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 7 / iOS 7.1  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 7 / OS X 10.9  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 8 / iOS 8.4  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 8 / OS X 10.10  R EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 9 / iOS 9  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 9 / OS X 10.11  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / iOS 10  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / OS X 10.12  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 12.1.2 / MacOS 10.14.6 Beta  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Safari 12.1.1 / iOS 12.3.1  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Apple ATS 9 / iOS 9  R EC 384 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Yahoo Slurp Jan 2015 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp384r1  FS
YandexBot Jan 2015 EC 384 (SHA256)   TLS 1.2 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
# Not simulated clients (Protocol mismatch)
Android 2.3.7   No SNI 2 Protocol mismatch (not simulated)
Android 4.0.4 Protocol mismatch (not simulated)
Android 4.1.1 Protocol mismatch (not simulated)
Android 4.2.2 Protocol mismatch (not simulated)
Android 4.3 Protocol mismatch (not simulated)
Baidu Jan 2015 Protocol mismatch (not simulated)
IE 6 / XP   No FS 1   No SNI 2 Protocol mismatch (not simulated)
IE 7 / Vista Protocol mismatch (not simulated)
IE 8 / XP   No FS 1   No SNI 2 Protocol mismatch (not simulated)
IE 8-10 / Win 7  R Protocol mismatch (not simulated)
IE 10 / Win Phone 8.0 Protocol mismatch (not simulated)
Java 6u45   No SNI 2 Protocol mismatch (not simulated)
Java 7u25 Protocol mismatch (not simulated)
OpenSSL 0.9.8y Protocol mismatch (not simulated)
Safari 5.1.9 / OS X 10.6.8 Protocol mismatch (not simulated)
Safari 6.0.4 / OS X 10.8.4  R Protocol mismatch (not simulated)

Click here to expand

(1) Clients that do not support Forward Secrecy (FS) are excluded when determining support for it.
(2) No support for virtual SSL hosting (SNI). Connects to the default site if the server uses SNI.
(3) Only first connection attempt simulated. Browsers sometimes retry with a lower protocol version.
(R) Denotes a reference browser or client, with which we expect better effective security.
(All) We use defaults, but some platforms do not use their best protocols and features (e.g., Java 6 & 7, older IE).
(All) Certificate trust is not checked in handshake simulation, we only perform TLS handshake.


Protocol Details
Secure Renegotiation Supported
Secure Client-Initiated Renegotiation No
Insecure Client-Initiated Renegotiation No
BEAST attack Mitigated server-side (more info)  
POODLE (SSLv3) No, SSL 3 not supported (more info)
POODLE (TLS) No (more info)
Zombie POODLE No (more info)   TLS 1.2 : 0xc023
GOLDENDOODLE No (more info)   TLS 1.2 : 0xc023
OpenSSL 0-Length No (more info)   TLS 1.2 : 0xc023
Sleeping POODLE No (more info)   TLS 1.2 : 0xc023
Downgrade attack prevention Unknown (requires support for at least two protocols, excl. SSL2)
SSL/TLS compression No
RC4 No
Heartbeat (extension) No
Heartbleed (vulnerability) No (more info)
Ticketbleed (vulnerability) No (more info)
OpenSSL CCS vuln. (CVE-2014-0224) No (more info)
OpenSSL Padding Oracle vuln.
(CVE-2016-2107)
No (more info)
ROBOT (vulnerability) No (more info)
Forward Secrecy Yes (with most browsers)   ROBUST (more info)
ALPN Yes   http/1.1
NPN No
Session resumption (caching) Yes
Session resumption (tickets) Yes
OCSP stapling No
Strict Transport Security (HSTS) Yes
max-age=63072000; includeSubDomains
HSTS Preloading Not in: Chrome  Edge  Firefox  IE 
Public Key Pinning (HPKP) No (more info)
Public Key Pinning Report-Only No
Public Key Pinning (Static) No (more info)
Long handshake intolerance No
TLS extension intolerance No
TLS version intolerance No
Incorrect SNI alerts No
Uses common DH primes No, DHE suites not supported
DH public server param (Ys) reuse No, DHE suites not supported
ECDH public server param reuse No
Supported Named Groups secp256r1, secp384r1 (Server has no preference)
SSL 2 handshake compatibility No


HTTP Requests
1 https://serviceportal.waltrop.de/  (HTTP/1.1 200 OK)
1
Date Fri, 25 Jul 2025 15:54:29 GMT
Server Apache
Strict-Transport-Security max-age=63072000; includeSubDomains
Set-Cookie citkoPortalWaltrop=nvhnvj76uks5hldvvpcrh47u1q; path=/; secure; HttpOnly; SameSite=None
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control no-store, no-cache, must-revalidate
Pragma no-cache
Set-Cookie citkoPortalWaltrop=d53s51376tvov73r12snkqvjsu; path=/; secure; HttpOnly; SameSite=None
X-UA-Compatible IE=edge
Vary Accept-Encoding
X-Frame-Options sameorigin
Referrer-Policy same-origin
X-XSS-Protection 1; mode=block
Permissions-Policy geolocation=(self), microphone=()
Connection close
Transfer-Encoding chunked
Content-Type text/html; charset=UTF-8


Miscellaneous
Test date Fri, 25 Jul 2025 15:54:16 UTC
Test duration 61.697 seconds
HTTP status code 200
HTTP server signature Apache
Server hostname -


SSL Report v2.4.1