www.comthink.cn - robtex.com
www.comthink.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:842🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8aa1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.8.66Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.161🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.8.66, 172.67.138.161 | ||||||
| IPv6 hints | 2606:4700:3030::6815:842, 2606:4700:3037::ac43:8aa1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com | ||||||
comthink.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:842🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8aa1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.8.66Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.161🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | melody.ns.cloudflare.com ⭐ | ||||||
| NS | rocky.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.8.66, 172.67.138.161 | ||||||
| IPv6 hints | 2606:4700:3030::6815:842, 2606:4700:3037::ac43:8aa1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com | ||||||
| SOA | melody.ns.cloudflare.comdns@cloudflare.com serial=2410385220 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.8.662026-08-04 → 2026-08-04 · 2 obs
○ 2026-03-28 16:31:36
● 2026-08-04 01:14:06
● 2026-08-04 01:14:06
○A156.241.86.1662026-03-28 → 2026-08-04 · 2 obs
○ 2026-03-28 16:31:36
○ 2026-08-04 01:14:06
○ 2026-08-04 01:14:06
●A172.67.138.1612026-08-04 → 2026-08-04 · 2 obs
○ 2026-03-28 16:31:36
● 2026-08-04 01:14:06
● 2026-08-04 01:14:06
●A2606:4700:3030::6815:8422026-08-04 → 2026-08-04 · 2 obs
○ 2026-03-28 16:31:36
● 2026-08-04 01:14:06
● 2026-08-04 01:14:06
●A2606:4700:3037::ac43:8aa12026-08-04 → 2026-08-04 · 2 obs
○ 2026-03-28 16:31:36
● 2026-08-04 01:14:06
● 2026-08-04 01:14:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| comthink.cn | rocky.ns.cloudflare.com, melody.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.250
NS records: rocky.ns.cloudflare.com, melody.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for comthink.cn (unsigned zone)
⏱️ Timing
Total: 761ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.138.161, 104.21.8.66 |
| AAAA | 2 | 2606:4700:3030::6815:842, 2606:4700:3037::ac43:8aa1 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
www.comthink.cn points to the four IP addresses 104.21.8.66, 172.67.138.161, 2606:4700:3030::6815:842 and 2606:4700:3037::ac43:8aa1.
Among the host names that share IP numbers with www.comthink.cn are dzialki-beskidy.pl, ebbo.cn, jasonboehm.blog and two others.