www.iol.unh.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:aa:a4:1c:73:6e:8a:8c:2e:1f:1a:7c:1b:1f:10:60:be:3b was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.iol.unh.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:aa:a4:1c:73:6e:8a:8c:2e:1f:1a:7c:1b:1f:10:60:be:3b
Serial Number (int): 406515287220456371248882987750557657120315
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bc:f6:86:06:22:fb:6b:be:e6:db:7b:5b:b9:f8:23:f5:96:0e:19:42
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 66:51:71:0b:eb:60:60:08:78:66:8a:3b:7a:f6:ef:9a:85:07:f7:df
Fingerprint (sha256): 0c:5b:8d:4a:2e:9f:75:05:6d:2d:99:4c:ec:49:db:cc:0e:b4:84:1d:dc:4d:a2:28:25:99:cc:e4:c5:14:23:4f

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

Revocation information

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

Check the revocation status for certificate www.iol.unh.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.iol.unh.edu

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

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

iol.unh.edu
www.iol.unh.edu

Other certificates including the domain name unh.edu

(limited to 100 certificates)
oak.cs.unh.edu
law.unh.edu
graddevserver.unh.edu
prominence.unh.edu
dpdkdashboard.iol.unh.edu
fammob-test1.unh.edu
media.unh.edu
zeke.sr.unh.edu
leaf.sr.unh.edu
klima.sr.unh.edu
zeke.sr.unh.edu
atcirculation.unh.edu
q.sr.unh.edu
nicldb.unh.edu
ddc.unh.edu
cipher2.unh.edu
wwdrii.sr.unh.edu
*.libproxy.unh.edu
webapps.unh.edu
hcgs.unh.edu
library.unh.edu
apply.unh.edu
wintermute.sr.unh.edu
litwebsitedev.unh.edu
webauthdev.unh.edu
jointagencyvm.sr.unh.edu
tcpalo4-1-mgmt.unh.edu
idmdev.unh.edu
collegiatelink.studentvoice.com
at-training.unh.edu
phenocam.sr.unh.edu
mylogin.law.unh.edu
pacapp.cs.unh.edu
operations.onecampus.com
sirs-actutest.sr.unh.edu
kato.unh.edu
foss.unh.edu
owl.sr.unh.edu
applecore.sr.unh.edu
networking.unh.edu
place.sr.unh.edu
clusters.unh.edu
collegiatelink.studentvoice.com
ea-poe-cert.iol.unh.edu
icebridge.sr.unh.edu
fishercat.sr.unh.edu
rcc.sr.unh.edu
blackstar.sr.unh.edu
unity.unh.edu
idmdev.unh.edu
herculesdome.org
*.ccom.unh.edu
webmail.eos.sr.unh.edu
wsdev.unh.edu
posters.unh.edu
ddc.sr.unh.edu
owl.sr.unh.edu
scholars.unh.edu
bootcamp.unh.edu
nhihpp-backups.sr.unh.edu
appropriations.unh.edu
waterviz.org
nuclear.unh.edu
law.unh.edu
*.libproxy.unh.edu
posters.unh.edu
bootcamp.unh.edu
clockwork.unh.edu
alumni.law.unh.edu
*.iol.unh.edu
admissions.unh.edu
apexdev.unh.edu
marco2.unh.edu
admissions.unh.edu
dawn.sr.unh.edu
www.iol.unh.edu
bugzilla.sr.unh.edu
www.library.unh.edu
www.transfer.unh.edu
ww.vpn.unh.edu
unhconnect.unh.edu
dawn.sr.unh.edu
hastings.unh.edu
akamai-san192.exacttarget.com
mycourses.unh.edu
enterprise.vpn.unh.edu
prc.unh.edu
gradschool.unh.edu
contracts.unh.edu
housingonline.unh.edu
co-gen-gw.unh.edu
lists.unh.edu
ipmall.info
ciceet.unh.edu
saip2.unh.edu
exchange.unh.edu
blackbaudfrogprod.unh.edu
leaf.sr.unh.edu
connect.vpn.unh.edu
www.unh.edu

Certificate

The complete raw certificate details for www.iol.unh.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4uh3fqWM4Kcb9h9Jq83/
DzVpAmqPobTebXkpytK1qew1B7Pi82znX/9oapoLYSbfVAZnxW30jJrKC/fxbzPs
G1xmyFwWzh0JUjJBhbe0Ode7PdMPoKYUMWqLKeAn0nyimgZJd8V+1FZnJ4MIA3tZ
JbAabvYue2KYEUe6D1bGfjb+3ZqxUPC9whd5MGYk3dEIrTpueSElsb0JuSG52dMX
i21sR1CQyTRTHxEq4qsr6PsFma6g3H0o7Q6xKiLR5waNzTzT9SduMhEDjGzirmSz
zWhmctrtBDkmiQqqcJSMCeRp6KKOGEuiT88yDuX0YVTHtzn8FRrZvz/GWFIQiXUP
YQIDAQAB
-----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 406515287220456371248882987750557657120315
 . . . . . . . . [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 2023-11-22 15:42:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 15:42:38 +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 'www.iol.unh.edu'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28644490562140055864613913793577121350123987508722033617742321335439474720224120014413780096486079566780376691174328720130021292868763853808923339186376992882922811368460387553965641335466898666282442931687111348932624589406518913462124361060962097199806954008393457063550806630392906094390879624620692911153618773670783870059175831587835436477197610899186781550859242426152284700898369063068297889791547606152431250527854343914378436093054866338541175470162060801127012507169593463772279322470761263864773138352343338280959930174336691425215614212563029795780200116303307973172497686595567683780297726438054871502689
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [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 (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [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)
							bcf6860622fb6bbee6db7b5bb9f823f5960e1942
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iol.unh.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.iol.unh.edu'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf7e98a3b0000040300473045022100b2f316d91c74f942755f805c6d78412f2dcf773575c461a830d1e296c41a4b96022028dde2b3a1b7b5ed1a225c24db2cfde146311ccb2755e731e1750eacbeefe49a007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bf7e98a4b000004030047304502201f67520ac1c4af2ca4b3a9f6f47b73146d0864092a00dc3ee65d72c82b54149a02210097d82dd27ef1e6d6fc4005b49f83a1390b7f4b0219a0aaa9911125fe1164343b
 . . . . [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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