updated: Tuesday, 05 October 2021, 01:29:40


Validity

Valid fromFriday, 09 February 2018, 15:22:39
Valid untilMonday, 16 December 2019, 15:52:38
Certificate Matches Server Hostnameyes (irs.gov)
Trust Store 'Apple - OS X 10.9.2'ok
Trust Store 'Mozilla NSS - 01/2014'ok (not EV)
Trust Store 'Microsoft - 04/2014'ok
Trust Store 'Java 6 - Update 65'ok
OCSPServer did not send back an OCSP response

Vulnerability

Heartbleed (CVE-2014-0160)NOT vulnerable (ok)
Session Resumption With TLS Ticketsno
Session Resumption With Session IDs5 / 5
Session Renegotiation Can Be Client Initiatedyes
TLS compressionno
Renegotiation (CVE 2009-3555)Patched Server detected (0,1), probably ok
CRIME, TLS (CVE-2012-4929)NOT vulnerable (ok)

Server

SSL Report Forirs.gov (166.123.218.220:443)
OCSP staplingno
HSTSno
ServerBigIP
Application (None)
Default negotiated protocolTLSv1.2
Default negotiated cipherECDHE-RSA-AES128-GCM-SHA256
Default server key size2048 bit
TLS server extensionsrenegotiation info, EC point formats
Session Tickets RFC 5077(none)
SPDY/NPNnot offered

Certificate

Common Nametreasury.gov
Alternative namestreasury.gov, tigta.gov, transparency.treasury.gov, ustreas.gov, consumerprotectionbureau.gov, cdfifund.gov, www.tigta.gov, mymoney.gov, fsoc.gov, consumerfinancialprotectionbureau.gov, cfpb.gov, bcfp.gov, consumerbureau.gov, consumerfinance.gov, irssales.gov, cfpa.gov, mha.gov, irs.gov, makinghomeaffordable.gov, sigtarp.gov, irsauctions.gov, consumerprotection.gov, financialresearch.gov, consumerfinancial.gov, financialstability.gov, treas.gov, myira.gov, ama.gov, usaspending.gov, ffb.gov
KeyrsaEncryption, 2048 bit
OrganizationUnited States Department of Treasury
State/ProvinceDistrict of Columbia
CountryUS
LocalityWashington
IssuerEntrust Certification Authority - L1K, US
Signature algorithmsha256WithRSAEncryption
Revocation CRLCRL (http://crl.entrust.net/level1k.crl)
Revocation OCSPOCSP (http://ocsp.entrust.net)

Protocols

SSL 2NOT offered (ok)
SSL 3NOT offered (ok)
TLS 1.0offered (ok)
TLS 1.1offered (ok)
TLS 1.2offered (ok)

Standard cipher lists

Null CipherNOT offered (ok)
Anonymous NULL CipherNOT offered (ok)
Anonymous DH CipherNOT offered (ok)
40 Bit encryptionNOT offered (ok)
56 Bit encryptionNOT offered (ok)
DES CipherNOT offered (ok)
Triple DES Cipheroffered
Medium grade encryptionnot offered
High grade encryptionoffered (ok)
Labels in table: strong strong, default for protocol weak vulnerable

TLS 1.2TLS 1.1TLS 1.0SSL 3SSL 2
ECDHE-RSA-AES128-SHA128128128
ECDHE-RSA-AES128-GCM-SHA256128
ECDHE-RSA-AES256-SHA256256256
AES256-SHA256256256
ECDHE-RSA-DES-CBC3-SHA168168168
DES-CBC3-SHA168168168
AES128-SHA128128128
ECDHE-RSA-AES256-SHA384256
AES256-SHA256256
AES256-GCM-SHA384256
ECDHE-RSA-AES256-GCM-SHA384256
ECDHE-RSA-AES128-SHA256128
AES128-GCM-SHA256128
AES128-SHA256128
EXP-DES-CBC-SHA
EXP-ADH-RC4-MD5
EDH-RSA-DES-CBC3-SHA
EXP-ADH-DES-CBC-SHA
EXP-EDH-DSS-DES-CBC-SHA
EXP-EDH-RSA-DES-CBC-SHA
IDEA-CBC-SHA
EXP-RC4-MD5
EXP-RC2-CBC-MD5
EDH-RSA-DES-CBC-SHA
NULL-MD5
ECDHE-RSA-NULL-SHA
ECDHE-ECDSA-AES256-GCM-SHA384
ECDHE-ECDSA-AES256-SHA
ECDHE-ECDSA-AES256-SHA384
ECDHE-ECDSA-DES-CBC3-SHA
NULL-SHA
ECDHE-ECDSA-NULL-SHA
EDH-DSS-DES-CBC-SHA
ECDHE-RSA-RC4-SHA
ECDHE-ECDSA-RC4-SHA
EDH-DSS-DES-CBC3-SHA
SEED-SHA
SRP-RSA-AES-128-CBC-SHA
SRP-RSA-3DES-EDE-CBC-SHA
SRP-DSS-AES-256-CBC-SHA
SRP-DSS-AES-128-CBC-SHA
SRP-RSA-AES-256-CBC-SHA
DES-CBC-MD5
RC2-CBC-MD5
IDEA-CBC-MD5
DES-CBC3-MD5
SRP-DSS-3DES-EDE-CBC-SHA
SRP-AES-256-CBC-SHA
PSK-RC4-SHA
PSK-AES256-CBC-SHA
PSK-AES128-CBC-SHA
PSK-3DES-EDE-CBC-SHA
RC4-MD5
RC4-SHA
SRP-AES-128-CBC-SHA
SRP-3DES-EDE-CBC-SHA
ECDHE-ECDSA-AES128-SHA256
NULL-SHA256
ECDHE-ECDSA-AES128-SHA
DES-CBC-SHA
DHE-DSS-AES128-GCM-SHA256
CAMELLIA256-SHA
CAMELLIA128-SHA
AECDH-NULL-SHA
AECDH-RC4-SHA
DHE-DSS-AES128-SHA
DHE-DSS-AES128-SHA256
DHE-DSS-CAMELLIA128-SHA
DHE-DSS-CAMELLIA256-SHA
DHE-DSS-AES256-SHA256
DHE-DSS-AES256-SHA
DHE-DSS-AES256-GCM-SHA384
AECDH-DES-CBC3-SHA
AECDH-AES256-SHA
ADH-AES256-SHA
ADH-AES256-SHA256
ADH-AES256-GCM-SHA384
ADH-AES128-SHA256
ADH-AES128-SHA
ADH-CAMELLIA128-SHA
ADH-CAMELLIA256-SHA
ADH-SEED-SHA
AECDH-AES128-SHA
ADH-RC4-MD5
ADH-DES-CBC3-SHA
ADH-DES-CBC-SHA
DHE-DSS-SEED-SHA
DHE-RSA-AES128-GCM-SHA256
ECDH-RSA-AES128-SHA
ECDH-RSA-AES128-SHA256
ECDH-RSA-AES128-GCM-SHA256
ECDH-ECDSA-RC4-SHA
ECDH-ECDSA-DES-CBC3-SHA
ECDH-ECDSA-NULL-SHA
ECDH-RSA-AES256-GCM-SHA384
ECDH-RSA-AES256-SHA
ECDH-RSA-RC4-SHA
ECDHE-ECDSA-AES128-GCM-SHA256
ECDH-RSA-NULL-SHA
ECDH-RSA-DES-CBC3-SHA
ECDH-RSA-AES256-SHA384
ECDH-ECDSA-AES256-SHA384
ECDH-ECDSA-AES256-SHA
DHE-RSA-AES256-SHA
DHE-RSA-AES256-SHA256
DHE-RSA-AES256-GCM-SHA384
DHE-RSA-AES128-SHA256
DHE-RSA-AES128-SHA
DHE-RSA-CAMELLIA128-SHA
DHE-RSA-CAMELLIA256-SHA
ECDH-ECDSA-AES128-SHA256
ECDH-ECDSA-AES256-GCM-SHA384
ECDH-ECDSA-AES128-SHA
ECDH-ECDSA-AES128-GCM-SHA256
DHE-RSA-SEED-SHA
ADH-AES128-GCM-SHA256
Trusted By Apple - OS X 10.9.2
irs.gov (166.123.218.220:443)
Trusted By Apple - OS X 10.9.2
Trusted By Java 6 - Update 65
irs.gov (166.123.218.220:443)
Trusted By Java 6 - Update 65
Trusted By Microsoft - 04/2014
irs.gov (166.123.218.220:443)
Trusted By Microsoft - 04/2014
Trusted By Mozilla NSS - 01/2014
irs.gov (166.123.218.220:443)
Trusted By Mozilla NSS - 01/2014
Server did not send back an OCSP response
OCSP
Server did not send back an OCSP response
https://raymii.org/s/tutorials/OCSP_Stapling_on_nginx.html
Session Renegotiation Can Be Client Initiated
irs.gov (166.123.218.220:443)