yuhanzhang.com Threat Intelligence and Information

Aug 22, 2025 domainpage

Dig Results

  • Got answer:
  • -»HEADER«- opcode: QUERY, status: NOERROR, id: 23912
  • flags: qr rd ra QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1
  • OPT PSEUDOSECTION:
  • EDNS: version: 0, flags: udp: 1432
  • QUESTION SECTION:
  • yuhanzhang.com. IN A
  • ANSWER SECTION:
  • yuhanzhang.com. 14370 IN A 198.185.159.145
  • yuhanzhang.com. 14370 IN A 198.49.23.145
  • yuhanzhang.com. 14370 IN A 198.49.23.144
  • yuhanzhang.com. 14370 IN A 198.185.159.144
  • Query time: 0 msec
  • SERVER: 192.168.1.153(192.168.1.1) (UDP)
  • WHEN: Fri Aug 22 00:27:10 UTC 2025
  • MSG SIZE rcvd: 107

Whois Data

  • Domain Name: YUHANZHANG.COM
  • Registry Domain ID: 3000618298_DOMAIN_COM-VRSN
  • Registrar URL: http://squarespace.domains
  • Updated Date: 2025-07-15T05:00:56Z
  • Creation Date: 2025-07-15T05:00:56Z
  • Registry Expiry Date: 2028-07-15T05:00:56Z
  • Registrar: Squarespace Domains LLC
  • Registrar IANA ID: 3827
  • Registrar Abuse Contact Email: abuse-complaints@squarespace.com
  • Registrar Abuse Contact Phone: 1-646-693-5324
  • Name Server: NS-CLOUD-A1.GOOGLEDOMAINS.COM
  • Name Server: NS-CLOUD-A2.GOOGLEDOMAINS.COM
  • Name Server: NS-CLOUD-A3.GOOGLEDOMAINS.COM
  • Name Server: NS-CLOUD-A4.GOOGLEDOMAINS.COM
  • DNSSEC: unsigned
  • Domain Name: yuhanzhang.com
  • Registry Domain ID: 3000618298_DOMAIN_COM-VRSN
  • Registrar URL: https://domains.squarespace.com
  • Registrar: Squarespace Domains LLC
  • Registrar IANA ID: 3827
  • Registrar Abuse Contact Email: abuse-complaints@squarespace.com
  • Registrar Abuse Contact Phone: +1.646-693-5324
  • Reseller:
  • Updated Date: 2025-07-15T05:00:56.772531Z
  • Creation Date: 2025-07-15T05:00:56Z
  • Registrar Registration Expiration Date: 2028-07-15T05:00:56Z
  • Registry Registrant ID:
  • Registrant Name: REDACTED FOR PRIVACY
  • Registrant Organization:
  • Registrant Street: REDACTED FOR PRIVACY
  • Registrant City: REDACTED FOR PRIVACY
  • Registrant State/Province: NY
  • Registrant Postal Code: REDACTED FOR PRIVACY
  • Registrant Country: US
  • Registrant Phone: REDACTED FOR PRIVACY
  • Registrant Phone Ext:
  • Registrant Fax: REDACTED FOR PRIVACY
  • Registrant Fax Ext:
  • Registry Admin ID:
  • Admin Name:
  • Admin Organization:
  • Admin Street:
  • Admin City:
  • Admin State/Province:
  • Admin Postal Code:
  • Admin Country:
  • Admin Phone:
  • Admin Phone Ext:
  • Admin Fax:
  • Admin Fax Ext:
  • Admin Email:
  • Registry Tech ID:
  • Tech Name:
  • Tech Organization:
  • Tech Street:
  • Tech City:
  • Tech State/Province:
  • Tech Postal Code:
  • Tech Country:
  • Tech Phone:
  • Tech Phone Ext:
  • Tech Fax:
  • Tech Fax Ext:
  • Tech Email:
  • Name Server: ns-cloud-a4.googledomains.com
  • Name Server: ns-cloud-a1.googledomains.com
  • Name Server: ns-cloud-a3.googledomains.com
  • Name Server: ns-cloud-a2.googledomains.com
  • DNSSEC: unsigned

SSL Certificate Information

  • Certificate:
  • Data:
  • Version: 3 (0x2)
  • Serial Number:
  • 05:b4:2d:d8:98:7b:8a:6f:5c:fa:da:2e:5b:f1:a9:8f:52:76
  • Signature Algorithm: sha256WithRSAEncryption
  • Issuer: C = US, O = Let’s Encrypt, CN = R10
  • Validity
  • Not Before: Jul 15 04:03:43 2025 GMT
  • Not After : Oct 13 04:03:42 2025 GMT
  • Subject: CN = yuhanzhang.com
  • Subject Public Key Info:
  • Public Key Algorithm: rsaEncryption
  • Public-Key: (2048 bit)
  • Modulus:
  • 00:ca:2a:dd:e6:df:90:71:4b:e2:ee:29:3c:f2:97:
  • 74:d0:37:4e:bc:01:f7:a6:8e:bc:aa:df:07:48:9f:
  • fc:31:2e:38:0f:92:20:09:fd:26:db:a8:d1:8d:69:
  • cd:dd:e8:18:9e:10:35:98:b0:ba:5a:be:93:ff:db:
  • 13:44:34:da:e9:82:9b:fa:88:3f:b1:23:b2:31:88:
  • ae:51:87:0d:26:da:f1:2b:ad:9f:0d:37:8d:62:de:
  • bd:2c:ad:31:5d:e8:e3:28:92:2b:ff:e7:6f:d2:b5:
  • a5:b3:ef:a4:2a:e2:d8:5e:34:9f:1f:09:56:15:40:
  • 57:1c:67:71:62:5c:6c:03:d9:3d:60:a1:4d:d8:fe:
  • 6b:7b:00:3b:7c:43:15:3e:eb:58:35:a8:86:53:f4:
  • 4b:f4:77:b9:e3:91:2c:72:c7:53:17:81:94:ff:5e:
  • c3:92:76:72:8e:95:29:d9:c9:09:50:2e:fe:4e:25:
  • 51:57:17:2c:0d:00:c4:15:1b:85:c4:6f:57:ce:3b:
  • dc:ac:b5:65:df:0d:53:21:7c:a4:7c:76:d1:8c:18:
  • ce:08:10:d8:c4:75:ee:f2:01:65:96:5d:0e:aa:fa:
  • cc:c6:4e:bc:b8:69:c9:e5:e8:af:ca:7a:2b:ee:e8:
  • 5e:9a:ef:88:33:44:a3:8e:5b:98:23:cf:90:a8:1a:
  • 5d:59
  • 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:
  • 84:01:3C:7B:B9:50:AF:3C:02:2C:4F:E0:2D:D8:4A:5F:A9:5C:25:8A
  • X509v3 Authority Key Identifier:
  • BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
  • Authority Information Access:
  • CA Issuers - URI:http://r10.i.lencr.org/
  • X509v3 Subject Alternative Name:
  • DNS:yuhanzhang.com
  • X509v3 Certificate Policies:
  • Policy: 2.23.140.1.2.1
  • X509v3 CRL Distribution Points:
  • Full Name:
  • URI:http://r10.c.lencr.org/119.crl
  • CT Precertificate SCTs:
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Jul 15 05:02:13.565 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:56:A6:87:2E:A5:EC:3C:E2:9B:E4:11:A9:
  • F2:8C:73:43:9A:9F:0B:65:CB:4D:72:D4:A9:60:16:B6:
  • 27:E7:28:EC:02:20:64:31:A1:6C:3D:11:79:5E:2D:0C:
  • FA:40:2C:5E:A9:BB:D7:5D:85:24:E0:21:0A:DE:CA:7A:
  • AF:3B:58:BE:43:84
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
  • 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
  • Timestamp : Jul 15 05:02:15.541 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7B:F0:B9:FE:D6:3F:F5:22:96:8D:53:52:
  • 3D:2D:C8:35:BC:4F:2F:E5:A5:B9:2B:50:F9:42:DC:36:
  • B3:03:0B:4C:02:21:00:CE:B1:FD:AA:EA:2A:5E:7B:98:
  • 90:2D:1C:57:3F:A0:C0:92:71:DB:B1:77:30:9E:A4:5D:
  • C6:BE:F3:35:DF:69:79
  • Signature Algorithm: sha256WithRSAEncryption
  • Signature Value:
  • 30:38:1f:ba:48:0d:da:c2:84:40:b1:97:3f:e9:ce:4d:6f:35:
  • 12:4a:1f:d7:94:77:9c:f2:ad:15:18:db:0a:cf:c9:de:8b:09:
  • 1c:10:01:04:07:de:71:6f:3b:9c:04:1c:83:0a:e5:08:c4:41:
  • f7:d6:a7:d9:10:72:fd:0f:b9:13:98:7d:20:35:73:d7:83:e4:
  • 68:7f:d4:96:b2:b7:a4:b8:93:21:44:bb:c8:51:9d:08:f1:36:
  • dd:96:64:5b:55:96:f6:10:f5:e4:1b:5d:0b:80:5c:76:03:0b:
  • 7d:bd:fa:5c:1d:d2:a5:98:6b:39:71:86:5e:f2:91:b4:40:66:
  • fd:27:c4:a2:e5:66:a0:4e:2e:26:bf:a1:4e:fe:bf:1a:89:de:
  • c6:2a:fc:55:dc:28:67:06:99:c4:0c:3a:76:83:75:84:71:93:
  • 0c:93:7f:a4:35:2a:af:23:42:fa:32:d4:81:42:3b:b0:6a:c4:
  • 94:f0:ab:24:5d:6a:dd:2b:75:f5:f6:e1:c7:ac:65:4a:50:d6:
  • 4c:a1:89:92:55:83:67:3b:32:0e:0d:43:d3:16:70:d3:b3:9d:
  • 28:47:86:4d:1e:68:81:69:bc:45:89:e5:f6:ad:7d:d0:50:c9:
  • 30:7c:a7:77:09:09:66:d1:c9:e8:ae:d8:da:45:c6:5a:8c:4f:
  • 02:e4:5a:d5

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