2b2x.cn - robtex.com
2b2x.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:2ff9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:aed8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.47.249Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.174.216🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bristol.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:262f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c22f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:222f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 108.162.194.47🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 162.159.38.47Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 172.64.34.47🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| NS | frank.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3ba6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1a6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21a6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| A | 108.162.193.166🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| A | 172.64.33.166🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| A | 173.245.59.166🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | frank.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.47.249, 172.67.174.216 | ||||||
| IPv6 | 2606:4700:3037::6815:2ff9, 2606:4700:3037::ac43:aed8 | ||||||
| SOA | bristol.ns.cloudflare.comdns@cloudflare.com serial=2395797423 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034590480 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSbristol.ns.cloudflare.com2026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
●NSfrank.ns.cloudflare.com2026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
●A104.21.47.2492026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
●A172.67.174.2162026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
●A2606:4700:3037::6815:2ff92026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
●A2606:4700:3037::ac43:aed82026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 19:18:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| 2b2x.cn | frank.ns.cloudflare.com, bristol.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.166
NS records: frank.ns.cloudflare.com, bristol.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2b2x.cn (unsigned zone)
⏱️ Timing
Total: 493ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.47.249, 172.67.174.216 |
| AAAA | 2 | 2606:4700:3037::ac43:aed8, 2606:4700:3037::6815:2ff9 |
| NS | 2 | bristol.ns.cloudflare.com, frank.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bristol.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
2b2x.cn resolves to four IP numbers: 2606:4700:3037::6815:2ff9, 2606:4700:3037::ac43:aed8, 104.21.47.249 and 172.67.174.216.
other host names for instance nordiccentral.co.uk, brmachinepag.com.br, hrbht.com, advweekly.com and seadrive.org share IP numbers with 2b2x.cn.
Name Servers
2b2x.cn is delegated to two name servers: bristol.ns.cloudflare.com and frank.ns.cloudflare.com.
2b2x.cn uses the same name server setup as other domains, including rbc-hotel.ru.
2b2x.cn at least partially shares name servers with other domains, for instance xn--nhweltmachemer-5hb.de, poolandhome.com, kombiklimaparca.com, pinupiu.com and (0x706f726e)oizlesek.com.
These name servers are often used with lewis.ns.cloudflare.com and dakota.ns.cloudflare.com.
Host names with six IP numbers:
bristol.ns.cloudflare.com points to: 2606:4700:50::a29f:262f, 2803:f800:50::6ca2:c22f, 2a06:98c1:50::ac40:222f, 108.162.194.47, 162.159.38.47 and 172.64.34.47; frank.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba6, 2803:f800:50::6ca2:c1a6, 2a06:98c1:50::ac40:21a6, 108.162.193.166, 172.64.33.166 and 173.245.59.166.