cpe-72-231-203-72.buffalo.res.rr.com

Issued by R3

About this certificate

This digital certificate with serial number 04:dc:d5:fa:7b:e8:02:30:11:31:e4:4c:21:9e:38:f8:ae:cd was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cpe-72-231-203-72.buffalo.res.rr.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:dc:d5:fa:7b:e8:02:30:11:31:e4:4c:21:9e:38:f8:ae:cd
Serial Number (int): 423595690600082261368397999061491672198861
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 56:77:ea:3e:e9:25:e2:3c:74:e1:e5:14:d2:5f:91:cd:d6:d5:7f:18
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 21:19:f2:88:96:e0:2a:bc:d6:c3:02:2f:7c:78:10:99:0d:45:71:a1
Fingerprint (sha256): 0b:5e:f2:a4:44:be:33:d6:e1:9f:38:c4:b9:3c:b4:de:11:b8:41:3b:e6:ef:33:47:0e:f6:24:f4:8a:6f:67:b8

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate cpe-72-231-203-72.buffalo.res.rr.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cpe-72-231-203-72.buffalo.res.rr.com

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

cpe-72-231-203-72.buffalo.res.rr.com

Other certificates including the domain name rr.com

(limited to 100 certificates)
cpe-98-15-211-172.hvc.res.rr.com
spt01aldlmi.aldl.mi.charter.com
quantum.rr.com
cpe-172-101-147-96.rochester.res.rr.com
eis-lb.cdptpa.rr.com
chrcnc-vcenter.hv.rr.com
pt.rr.com
sitesurvey.cdptpa.rr.com
cpe-67-10-167-106.satx.res.rr.com
cpe-107-184-87-120.socal.res.rr.com
tools.tampflrdc.rr.com
hrndva-starapp-orngca-01.hrndva.rr.com
cpe-173-89-35-101.wi.res.rr.com
mail.biz.rr.com
cpe-174-109-144-250.nc.res.rr.com
self-care.portals.spectrum.net
xspdm01.hv.rr.com
webmail.rgv.rr.com
acs-nbi.nelab.rr.com
webmail.stx.rr.com
intelligenthome.ih.voip-eng.rr.com
xspws02.hv.rr.com
cpe-24-166-12-11.cinci.res.rr.com
registration.rr.com
ccs.ims.rr.com
help.rr.com
mobile.splunk.vap.rr.com
ids.rr.com
spt01aldlmi.aldl.mi.charter.com
registration.rr.com
unified.ohiordc.rr.com
cpe-76-88-5-186.san.res.rr.com
spectrumtvchoice.com
tmpfl-starweb-01.tampflrdc.rr.com
webmail.ec.rr.com
cm-cmftp.rr.com
tools.peakview.rr.com
ipmt.rr.com
don.dtdns.net
portal.qa.rr.com
tools.ohiordc.rr.com
cpe-23-240-65-89.socal.res.rr.com
webmail.ne.rr.com
spectrumtvchoice.com
webmail.maine.rr.com
webmail.stx.rr.com
playgames.rr.com
unified.west.rr.com
unified-graph.nyc.rr.com
cpe-172-101-147-96.rochester.res.rr.com
spectrumtvchoice.com
cpe-98-15-211-172.hvc.res.rr.com
twcidp.eng.rr.com
registration.rr.com
as02.hv.rr.com
lerg-cmftp.rr.com
webmail.rochester.rr.com
cpe-72-231-203-72.buffalo.res.rr.com
mail.biz.rr.com
webmail.hvc.rr.com
login.timewarnercable.com
unified.southeast.rr.com
pres.ims.rr.com
xspca02.hv.rr.com
cpe-98-27-160-175.neo.res.rr.com
webmail.dc.rr.com
rrcs-67-79-168-12.se.biz.rr.com
tr-ssl.rr.com
ids.rr.com
webmail.woh.rr.com
ids-stable-01.eng.rr.com
tools.nyroc.rr.com
cpe-76-175-132-186.socal.res.rr.com
xspca02.hv.rr.com
rrcs-74-62-1-18.west.biz.rr.com
cpe-172-251-211-68.socal.res.rr.com
videostore.bhn.rr.com
cpe-69-201-73-35.twcny.res.rr.com
quantumcontrol.rr.com
cpe-67-11-127-171.satx.res.rr.com
mail.twc.com
webmail.nyc.rr.com
ids.rr.com
spectrumtvchoice.com
cpe-23-243-249-149.socal.res.rr.com
ewsutils-uat.eng.rr.com
techmobile-qa05.eng.rr.com
mail.biz.rr.com
spectrumtvchoice.com
sia-ui.vap.rr.com
relay.ih.voip-eng.rr.com
urt.rr.com
help.rr.com
techmobile-sit05.eng.rr.com
xspca08.hv.rr.com
solosyncsit.eng.rr.com
programming.rr.com
xspca02.hv.rr.com
xspws02.hv.rr.com
xspdm01.hv.rr.com

Certificate

The complete raw certificate details for cpe-72-231-203-72.buffalo.res.rr.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAECgDtOVRCWkjZeq5fRU4RtPYjvb63
9io5ZFlmTpSKGnjWFUG6dQ5jOCSFVI9oFHbdBVcSk+RYzC1v98OjDFSEgQ==
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 423595690600082261368397999061491672198861
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-12 23:04:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-03-12 23:04:56 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cpe-72-231-203-72.buffalo.res.rr.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040a00ed3954425a48d97aae5f454e11b4f623bdbeb7f62a396459664e948a1a78d61541ba750e63382485548f681476dd05571293e458cc2d6ff7c3a30c548481
 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits)
							0780
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							5677ea3ee925e23c74e1e514d25f91cdd6d57f18
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpe-72-231-203-72.buffalo.res.rr.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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