h2bt.cn - robtex.com
h2bt.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:57c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8572🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.124Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.133.114🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alexa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26d7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22d7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 108.162.194.215🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 162.159.38.215Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 172.64.34.215🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| NS | dilbert.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| A | 108.162.193.155🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| A | 172.64.33.155🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| A | 173.245.59.155🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dilbert.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.5.124, 172.67.133.114 | ||||||
| IPv6 | 2606:4700:3031::6815:57c, 2606:4700:3037::ac43:8572 | ||||||
| SOA | alexa.ns.cloudflare.comdns@cloudflare.com serial=2397390652 | ||||||
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=2034598873 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSalexa.ns.cloudflare.com2026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
●NSdilbert.ns.cloudflare.com2026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
●A104.21.5.1242026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
●A172.67.133.1142026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
●A2606:4700:3031::6815:57c2026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
●A2606:4700:3037::ac43:85722026-02-25 → 2026-03-28 · 2 obs
● 2026-03-28 13:08:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| h2bt.cn | alexa.ns.cloudflare.com, dilbert.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.155
NS records: alexa.ns.cloudflare.com, dilbert.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for h2bt.cn (unsigned zone)
⏱️ Timing
Total: 784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.133.114, 104.21.5.124 |
| AAAA | 2 | 2606:4700:3031::6815:57c, 2606:4700:3037::ac43:8572 |
| NS | 2 | alexa.ns.cloudflare.com, dilbert.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alexa.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
Four IP numbers are pointed to by h2bt.cn: 2606:4700:3031::6815:57c, 2606:4700:3037::ac43:8572, 104.21.5.124 and 172.67.133.114.
other host names including com.seisa.net, rbtvplus17.baby, coronatest.ee, dronnews.com and businesslive.ng share IP numbers with h2bt.cn.
Name Servers
h2bt.cn is delegated to two name servers alexa.ns.cloudflare.com and dilbert.ns.cloudflare.com.
h2bt.cn shares the same name server setup as other domains, for instance 05o0.cn, spclass.ir, fpui.cn, air-conditioners.co.za and eternitysolucoes.com.br.
h2bt.cn at least partially shares name servers with other domains, for instance applywithsebastian.com, kkdns.de, playbrucegrey.com, crossbordervehicle.com and csws.in.
these name servers are commonly used alongside yisroel.ns.cloudflare.com.
Host names with six IP numbers:
Host name alexa.ns.cloudflare.com points to: 2606:4700:50::a29f:26d7, 2803:f800:50::6ca2:c2d7, 2a06:98c1:50::ac40:22d7, 108.162.194.215, 162.159.38.215 and 172.64.34.215.
Host name dilbert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155.