b1157.cn - robtex.com
b1157.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:bea0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:33e6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.230Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.190.160🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brenna.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26b0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| A | 108.162.194.176🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| A | 162.159.38.176Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| A | 172.64.34.176🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenna.ns.cloudflare.com | ||||||
| NS | ken.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| A | 108.162.193.127🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| A | 172.64.33.127🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| A | 173.245.59.127🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ken.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.51.230, 172.67.190.160 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:bea0, 2606:4700:3036::6815:33e6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com | ||||||
| SOA | brenna.ns.cloudflare.comdns@cloudflare.com serial=2402809087 | ||||||
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=2034781587 | ||||||
Same first word
b1157.cn |
DNS History
6 records (6 active, 0 former)
●NSbrenna.ns.cloudflare.com2026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
●NSken.ns.cloudflare.com2026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
●A104.21.51.2302026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
●A172.67.190.1602026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
●A2606:4700:3035::ac43:bea02026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
●A2606:4700:3036::6815:33e62026-04-15 → 2026-05-12 · 2 obs
● 2026-05-12 05:54:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| b1157.cn | ken.ns.cloudflare.com, brenna.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.127
NS records: ken.ns.cloudflare.com, brenna.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b1157.cn (unsigned zone)
⏱️ Timing
Total: 3624ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.51.230, 172.67.190.160 |
| AAAA | 2 | 2606:4700:3035::ac43:bea0, 2606:4700:3036::6815:33e6 |
| NS | 2 | brenna.ns.cloudflare.com, ken.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brenna.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
b1157.cn resolves to four IPs: 2606:4700:3035::ac43:bea0, 2606:4700:3036::6815:33e6, 104.21.51.230 and 172.67.190.160.
Other host names, for instance livescorethai5.tv, servitora.gr, tea-spins.uk, onlineapteka.com.ua and harpa.in share IP numbers with b1157.cn.
Name Servers
b1157.cn has two name servers: brenna.ns.cloudflare.com and ken.ns.cloudflare.com.
b1157.cn shares the same name server setup as other domains, for example posudo.net, zzzydev.com, xin15.cn, eoih.cn and 13688370118.com.
b1157.cn shares some name servers with other domains, for example ssai.in, jmv-forward.nl, peterhoek.eu, 251.23.198.in-addr.arpa and igm.store.
These name servers are often used together with lisa.ns.cloudflare.com, aaden.ns.cloudflare.com and konnor.ns.cloudflare.com.
Host names with six IP numbers: brenna.ns.cloudflare.com points to: 2606:4700:50::a29f:26b0, 2803:f800:50::6ca2:c2b0, 2a06:98c1:50::ac40:22b0, 108.162.194.176, 162.159.38.176 and 172.64.34.176; ken.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7f, 2803:f800:50::6ca2:c17f, 2a06:98c1:50::ac40:217f, 108.162.193.127, 172.64.33.127 and 173.245.59.127.