nbud.cn - robtex.com
nbud.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:d67d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:5626🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.86.38Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.214.125🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | rayden.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2ca3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 108.162.195.163🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 162.159.44.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 172.64.35.163🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.86.38, 172.67.214.125 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:d67d, 2606:4700:3037::6815:5626 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2398526860 | ||||||
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=2034661468 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSdns27.hichina.com2020-03-03 → 2020-03-03 · 3 obs
○ 2026-03-30 05:14:40
○ 2026-04-12 06:23:56
○NSdns28.hichina.com2020-03-03 → 2020-03-03 · 3 obs
○ 2026-03-30 05:14:40
○ 2026-04-12 06:23:56
●NSdorthy.ns.cloudflare.com2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
●NSrayden.ns.cloudflare.com2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
●A104.21.86.382026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
●A172.67.214.1252026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
●A2606:4700:3031::ac43:d67d2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
●A2606:4700:3037::6815:56262026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 05:14:40
● 2026-04-12 06:23:56
○A47.91.170.2222020-03-03 → 2020-03-03 · 3 obs
○ 2026-03-30 05:14:40
○ 2026-04-12 06:23:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
| nbud.cn | dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.163
NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nbud.cn (unsigned zone)
⏱️ Timing
Total: 265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.86.38, 172.67.214.125 |
| AAAA | 2 | 2606:4700:3031::ac43:d67d, 2606:4700:3037::6815:5626 |
| NS | 2 | dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
nbud.cn resolves to four IP numbers: 2606:4700:3031::ac43:d67d, 2606:4700:3037::6815:5626, 104.21.86.38 and 172.67.214.125.
Other host names such as bursatercuman.com, liptonltl.com, lobomanagement.com, huyatou.cn and iolavoro.org share IPs with nbud.cn.
Name Servers
nbud.cn is delegated to two name servers: dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.
nbud.cn shares the same name server setup as saiteng.cc, nanfeivshanguomianfeiyuce.cn, tygpv.com, byyharmony.net and kmditan.com.
nbud.cn at least partially shares name servers with other domains, for instance 0x1.lt, brokerstations.com, teapotkettle.com, arenaoasishq.com and indianapolispaintingcompanies.com.
these name servers are often used in conjunction with the name servers jen.ns.cloudflare.com.
Host names with six IP numbers:
dorthy.ns.cloudflare.com points to 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.
rayden.ns.cloudflare.com points to 2606:4700:58::a29f:2ca3, 2803:f800:50::6ca2:c3a3, 2a06:98c1:50::ac40:23a3, 108.162.195.163, 162.159.44.163 and 172.64.35.163.