feifanzhang.info Threat Intelligence and Information

Dec 28, 2025 domainpage

Host Location

Dig Results

  • Got answer:
  • -»HEADER«- opcode: QUERY, status: NOERROR, id: 3877
  • flags: qr rd ra ad QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
  • OPT PSEUDOSECTION:
  • EDNS: version: 0, flags: udp: 1432
  • QUESTION SECTION:
  • feifanzhang.info. IN A
  • ANSWER SECTION:
  • feifanzhang.info. 14396 IN A 198.49.23.144
  • Query time: 0 msec
  • SERVER: 192.168.1.153(192.168.1.1) (UDP)
  • WHEN: Sun Dec 28 00:05:44 UTC 2025
  • MSG SIZE rcvd: 61

Whois Data

SSL Certificate Information

  • Certificate:
  • Data:
  • Version: 3 (0x2)
  • Serial Number:
  • 06:ce:a5:cb:d9:39:9c:82:7b:ee:cd:3d:a6:33:3f:0d:78:49
  • Signature Algorithm: sha256WithRSAEncryption
  • Issuer: C = US, O = Let’s Encrypt, CN = R12
  • Validity
  • Not Before: Nov 22 21:36:02 2025 GMT
  • Not After : Feb 20 21:36:01 2026 GMT
  • Subject: CN = feifanzhang.info
  • Subject Public Key Info:
  • Public Key Algorithm: rsaEncryption
  • Public-Key: (2048 bit)
  • Modulus:
  • 00:9c:e4:f2:c3:1f:12:36:84:4f:02:8d:67:dc:bc:
  • 65:d2:00:16:01:93:c8:27:38:89:aa:71:ed:ec:09:
  • 30:05:a5:d8:ea:3c:6d:1b:a1:05:3e:73:31:ca:79:
  • 59:dc:79:f1:03:6a:7e:19:4d:54:96:a9:84:e6:77:
  • 81:5f:a8:e5:73:c8:b5:35:2a:d2:8a:af:7c:4c:2c:
  • d9:ad:71:58:f4:9f:6a:c4:62:97:90:f2:48:75:81:
  • 05:6d:ef:20:19:80:c1:84:47:d0:d5:fa:bb:ec:00:
  • 0f:a2:80:92:c9:a8:b6:3b:20:7f:ab:7e:b8:4f:f4:
  • 84:29:80:06:75:4f:19:c0:ed:84:76:22:ad:12:0f:
  • d4:44:6b:90:01:a2:04:fc:4c:21:0f:f4:81:ed:7b:
  • 1d:d6:a1:42:f1:b2:1e:6d:64:be:f5:24:2e:30:cf:
  • 35:77:8e:da:ab:09:3d:71:bd:f1:a7:c7:6c:9c:bf:
  • bf:b9:10:67:d9:ba:a9:c7:b0:32:32:32:09:7e:a6:
  • e1:2a:67:0c:a0:5d:0d:c2:2e:1e:ed:a4:ec:86:61:
  • 27:e1:84:f1:5a:e1:a2:97:08:ed:09:5b:f6:76:a5:
  • fc:64:de:ff:f6:8f:fe:57:3a:8b:38:8f:47:0c:78:
  • 32:64:22:d7:f1:8d:7f:59:0b:04:e4:63:27:6b:a3:
  • 76:e7
  • Exponent: 65537 (0x10001)
  • X509v3 extensions:
  • X509v3 Key Usage: critical
  • Digital Signature, Key Encipherment
  • X509v3 Extended Key Usage:
  • TLS Web Server Authentication, TLS Web Client Authentication
  • X509v3 Basic Constraints: critical
  • CA:FALSE
  • X509v3 Subject Key Identifier:
  • 72:CE:2F:CC:10:9A:29:17:35:95:73:7C:A8:DB:7F:91:A6:B8:16:2E
  • X509v3 Authority Key Identifier:
  • 00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
  • Authority Information Access:
  • CA Issuers - URI:http://r12.i.lencr.org/
  • X509v3 Subject Alternative Name:
  • DNS:feifanzhang.info
  • X509v3 Certificate Policies:
  • Policy: 2.23.140.1.2.1
  • X509v3 CRL Distribution Points:
  • Full Name:
  • URI:http://r12.c.lencr.org/74.crl
  • CT Precertificate SCTs:
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
  • 5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
  • Timestamp : Nov 22 22:34:33.502 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:C5:43:C0:CB:A9:6C:67:42:A5:D7:29:
  • 1B:7F:09:FD:07:9D:5B:FC:28:52:C5:FF:45:9E:06:82:
  • 15:91:E6:9B:C1:02:20:1F:28:E3:82:55:FC:DB:2C:32:
  • 44:B0:86:05:4B:B4:FA:41:13:72:88:A6:88:A5:8D:1C:
  • A0:BA:48:C7:CE:03:36
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
  • E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
  • Timestamp : Nov 22 22:34:33.589 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6B:D7:1A:E4:E6:E6:A6:73:32:9C:40:75:
  • A7:B8:3E:B9:D5:D3:04:A9:56:05:46:63:23:9B:66:E8:
  • AC:E9:BD:5B:02:21:00:89:D3:E7:8C:44:57:7E:49:51:
  • 43:7B:59:7B:91:BB:ED:77:EF:A8:18:86:FE:C5:ED:D8:
  • 91:08:F9:B3:CF:0D:29
  • Signature Algorithm: sha256WithRSAEncryption
  • Signature Value:
  • c1:cd:b2:5f:73:c6:7b:fe:11:e3:75:29:23:48:dd:bd:b7:62:
  • df:38:66:74:96:eb:a7:06:5d:6c:0f:6d:d4:12:7b:e4:80:c3:
  • 56:39:d9:05:8f:27:92:51:17:a1:b0:76:85:2e:ec:4e:37:24:
  • b2:93:a5:2f:67:c2:ee:29:f5:8c:df:3d:0f:f1:cc:22:17:96:
  • 78:c2:45:d9:cb:1e:be:2b:47:f7:f2:e9:c6:f6:5e:f5:16:8b:
  • ab:c5:28:e3:92:85:10:8c:fc:c9:4c:ba:a3:3b:e5:5f:08:26:
  • f1:f6:87:32:a3:3f:d3:a6:11:28:55:d9:4b:05:ce:df:fa:13:
  • 79:af:7b:46:8b:28:95:ed:af:40:55:c2:3e:62:7d:b4:0a:90:
  • 0d:9d:bf:3e:f9:ca:ab:3b:f4:93:87:c8:20:83:1d:c8:ed:17:
  • 7b:14:f3:55:4c:60:48:b9:51:9e:64:e4:eb:34:9c:75:f8:29:
  • 88:c0:6f:0c:66:66:bd:29:72:bd:cd:af:fc:8b:18:b7:19:9d:
  • 4e:1d:35:f4:08:92:54:7d:35:dd:50:65:fd:de:22:52:a8:73:
  • 23:bf:b9:1d:87:8c:a5:1e:7c:f2:20:a5:d3:95:0e:26:74:2e:
  • 27:48:d0:7a:9a:f0:c1:27:04:8b:c5:d7:3f:80:93:db:00:3e:
  • d6:41:2a:9f

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