u2vb0c.cn - robtex.com
u2vb0c.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:8c0a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:4f12🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.79.18Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.140.10🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | chris.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b55🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c155🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2155🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| A | 108.162.193.85🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| A | 172.64.33.85🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| A | 173.245.59.85🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chris.ns.cloudflare.com | ||||||
| NS | serena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3adc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0dc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20dc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 108.162.192.220🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 172.64.32.220🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 173.245.58.220🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.79.18, 172.67.140.10 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:8c0a, 2606:4700:3036::6815:4f12 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com | ||||||
| SOA | chris.ns.cloudflare.comdns@cloudflare.com serial=2400662610 | ||||||
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=2034776674 | ||||||
Same first word
u2vb0c.cn |
DNS History
6 records (6 active, 0 former)
●NSchris.ns.cloudflare.com2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
●NSserena.ns.cloudflare.com2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
●A104.21.79.182026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
●A172.67.140.102026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
●A2606:4700:3034::ac43:8c0a2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
●A2606:4700:3036::6815:4f122026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 02:26:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| u2vb0c.cn | chris.ns.cloudflare.com, serena.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.220
NS records: chris.ns.cloudflare.com, serena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u2vb0c.cn (unsigned zone)
⏱️ Timing
Total: 918ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.140.10, 104.21.79.18 |
| AAAA | 2 | 2606:4700:3034::ac43:8c0a, 2606:4700:3036::6815:4f12 |
| NS | 2 | chris.ns.cloudflare.com, serena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | chris.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
u2vb0c.cn resolves to four IP numbers: 2606:4700:3034::ac43:8c0a, 2606:4700:3036::6815:4f12, 104.21.79.18 and 172.67.140.10.
Other host names such as cemru.com, lslxg.com, kraken-official-ssylka.top, www.city-izyum.pp.ua and etacard.com.cn share IPs with u2vb0c.cn.
Name Servers
u2vb0c.cn is delegated to two name servers: chris.ns.cloudflare.com and serena.ns.cloudflare.com.
u2vb0c.cn shares the same name server setup as safeinternetforkid.com, eca-e.com, distilleriedequebec.com, azerimosobl.ru and claude-fryzjerzy.pages.dev.
u2vb0c.cn at least partially shares name servers with other domains, for instance norrisdantaford.com, nineunkown.com, gdian36.com, ccbuild.com.au and not.li.
These name servers are commonly used with laura.ns.cloudflare.com and tani.ns.cloudflare.com.
Host names with six IP numbers:
chris.ns.cloudflare.com points to 2606:4700:58::adf5:3b55, 2803:f800:50::6ca2:c155, 2a06:98c1:50::ac40:2155, 108.162.193.85, 172.64.33.85 and 173.245.59.85.
serena.ns.cloudflare.com points to 2606:4700:50::adf5:3adc, 2803:f800:50::6ca2:c0dc, 2a06:98c1:50::ac40:20dc, 108.162.192.220, 172.64.32.220 and 173.245.58.220.