Last Updated: May 16, 2024
dfn-cert.de has 5 NS records, 1 A records, 0 AAAA records, 2 MX records, and 1 TXT records. Name servers for dfn-cert.de are dns1.rrz.uni-hamburg.de, dns2.rrz.uni-hamburg.de, deneb.dfn.de, robin.dfn-cert.de, rzdspc1.informatik.uni-hamburg.de. A records for dfn-cert.de are . MX records that process @dfn-cert.de email are mail1.dfn-cert.de, mail2.dfn-cert.de. We have observed dfn-cert.de to have 87 subdomains. As of May 16, 2024, dfn-cert.de does not have any threat intelligence reports of concern.
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No DNS A records
No DNS AAAA records
mail1.dfn-cert.de
mail2.dfn-cert.de
dns1.rrz.uni-hamburg.de
dns2.rrz.uni-hamburg.de
deneb.dfn.de
robin.dfn-cert.de
rzdspc1.informatik.uni-hamburg.de
dfn-cert.de. 86400 IN TXT "v=spf1 include:_spf.dfn-cert.de ~all"
dfn-cert.de has 87 subdomains in our inventory.
No domain meta-data found. Please check back at a later time.
{"message_type": "certificate_update", "data": {"leaf_cert": {"not_after": 1686182399, "signature_algorithm": "sha256, rsa", "extensions": {"subjectKeyIdentifier": "61:1A:3C:A1:6F:F1:1F:D8:39:07:2B:EB:37:59:45:A3:D1:D0:D8:03", "authorityKeyIdentifier": "keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1\n", "extendedKeyUsage": "TLS Web server authentication, TLS Web client authentication", "subjectAltName": "DNS:www.dfn-cert.de, DNS:dfn-cert.de", "keyUsage": "Digital Signature, Key Encipherment", "certificatePolicies": "Policy: 2.23.140.1.2.1\nPolicy: 1.3.6.1.4.1.6449.1.2.2.7\n CPS: https://sectigo.com/CPS", "ctlSignedCertificateTimestamp": "BIHyAPAAdgCt9776fP8QyIudPZwePhhqtGcpXc-xDCTKhYY069yCigAAAYbGjXxXAAAEAwBHMEUCIQDDCHeOZCBtkmck6h3xoAQm-0XPcKKAQMCOZblYU720BAIgLmxsEfzTQkpofldCc-LaR2fEquJs2rQT8s7hN02-YSsAdgB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYbGjXykAAAEAwBHMEUCIExr-v2JnzyxmqsLG1BWJuAQ7OnD-af4aD8SMJOdlDXZAiEAiBcG7Kh7_JZBT9iBGKcSp4MUI69NEZFo7LTkrWGzK30=", "authorityInfoAccess": "OCSP - URI:http://ocsp.sectigo.com\nCA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt\n", "basicConstraints": "CA:FALSE"}, "fingerprint": "87:D6:49:3D:41:24:76:85:56:91:36:B0:AF:E1:72:CE:66:E0:1E:93", "all_domains": ["dfn-cert.de", "www.dfn-cert.de"], "serial_number": "C0C7872E667CCD17D8585C191C9BDC2E", "subject": {"C": null, "CN": "dfn-cert.de", "L": null, "O": null, "ST": null, "emailAddress": null, "OU": null, "aggregated": "/CN=dfn-cert.de"}, "not_before": 1678320000, "issuer": {"C": "GB", "CN": "Sectigo RSA Domain Validation Secure Server CA", "L": "Salford", "O": "Sectigo Limited", "ST": "Greater Manchester", "emailAddress": null, "OU": null, "aggregated": "/C=GB/CN=Sectigo RSA Domain Validation Secure Server CA/L=Salford/O=Sectigo Limited/ST=Greater Manchester"}}, "cert_link": "https://ct.googleapis.com/logs/xenon2023/ct/v1/get-entries?start=923486402&end=923486402", "source": {"url": "https://ct.googleapis.com/logs/xenon2023/", "name": "Google 'Xenon2023' log"}, "update_type": "X509LogEntry", "seen": 1678368476.326174, "cert_index": 923486402}}