Last Updated: May 17, 2024
isrn.net has 2 NS records, 1 A records, 0 AAAA records, 1 MX records, and 1 TXT records. Name servers for isrn.net are ns2.uthscsa.edu, ns1.uthscsa.edu. A records for isrn.net are 129.111.12.99. MX records that process @isrn.net email are isrn-net.mail.protection.outlook.com. We have observed isrn.net to have 1 subdomains. A subdomain count of 1 is considered a small digital footprint. As of May 17, 2024, isrn.net does not have any threat intelligence reports of concern.
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129.111.12.99
No DNS AAAA records
isrn-net.mail.protection.outlook.com
ns2.uthscsa.edu
ns1.uthscsa.edu
isrn.net. 3600 IN TXT "MS=ms47878597"
isrn.net has 1 subdomains in our inventory.
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.3.14
United States
{"data":{"cert_index":798435,"cert_link":"https:\/\/oak.ct.letsencrypt.org\/2025h1\/ct\/v1\/get-entries?start=798435&end=798435","leaf_cert":{"all_domains":["improvementscienceresearch.net","isrn.net"],"extensions":{"authorityInfoAccess":"OCSP - URI:http:\/\/ocsp.sectigo.com\nCA Issuers - URI:http:\/\/crt.sectigo.com\/InCommonRSAServerCA2.crt\n","authorityKeyIdentifier":"keyid:EF:4C:00:92:A6:FB:76:2E:5E:95:E2:C9:5F:87:1B:19:D5:4D:E2:D9\n","basicConstraints":"CA:FALSE","certificatePolicies":"Policy: 2.23.140.1.2.2\nPolicy: 1.3.6.1.4.1.6449.1.2.2.103\n CPS: https:\/\/sectigo.com\/CPS","crlDistributionPoints":"Full Name:\n URI:http:\/\/crl.sectigo.com\/InCommonRSAServerCA2.crl","ctlPoisonByte":true,"extendedKeyUsage":"TLS Web server authentication, TLS Web client authentication","keyUsage":"Digital Signature, Key Encipherment","subjectAltName":"DNS:improvementscienceresearch.net, DNS:isrn.net","subjectKeyIdentifier":"BE:44:42:FF:0A:8A:4A:55:E2:E4:A2:53:AC:0D:3B:49:41:CD:AB:80"},"fingerprint":"5F:69:20:05:65:17:EA:86:A2:14:4F:2E:02:9E:5B:66:B8:B9:6E:2F","issuer":{"C":"US","CN":"InCommon RSA Server CA 2","L":null,"O":"Internet2","OU":null,"ST":null,"aggregated":"\/C=US\/CN=InCommon RSA Server CA 2\/O=Internet2","emailAddress":null},"not_after":1736207999,"not_before":1701907200,"serial_number":"4F7D66E4C3F816EE3DC67DC0ED7FFCC1","signature_algorithm":"sha384, rsa","subject":{"C":"US","CN":"isrn.net","L":null,"O":"The University of Texas Health Science Center at San Antonio","OU":null,"ST":"Texas","aggregated":"\/C=US\/CN=isrn.net\/O=The University of Texas Health Science Center at San Antonio\/ST=Texas","emailAddress":null}},"seen":1701982348.418695,"source":{"name":"Let's Encrypt 'Oak2025h1'","url":"https:\/\/oak.ct.letsencrypt.org\/2025h1\/"},"update_type":"PrecertLogEntry"},"message_type":"certificate_update"}