pcuo.cn - robtex.com
pcuo.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:a3fc🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:5b06🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.6Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.163.252🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| NS | raina.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| A | 108.162.194.241🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| A | 162.159.38.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| A | 172.64.34.241🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raina.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.91.6, 172.67.163.252 | ||||||
| IPv6 | 2606:4700:3033::ac43:a3fc, 2606:4700:3034::6815:5b06 | ||||||
| SOA | fred.ns.cloudflare.comdns@cloudflare.com serial=2397763282 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSfred.ns.cloudflare.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
●NSraina.ns.cloudflare.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
●A104.21.91.62026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
●A172.67.163.2522026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
●A2606:4700:3033::ac43:a3fc2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
●A2606:4700:3034::6815:5b062026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 19:05:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| pcuo.cn | fred.ns.cloudflare.com, raina.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.241
NS records: fred.ns.cloudflare.com, raina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pcuo.cn (unsigned zone)
⏱️ Timing
Total: 1032ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.91.6, 172.67.163.252 |
| AAAA | 2 | 2606:4700:3034::6815:5b06, 2606:4700:3033::ac43:a3fc |
| NS | 2 | fred.ns.cloudflare.com, raina.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fred.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
pcuo.cn resolves to four IP numbers: 2606:4700:3033::ac43:a3fc, 2606:4700:3034::6815:5b06, 104.21.91.6 and 172.67.163.252.
other host names for instance gpokr.com, shui99.cn, sentry.hisoftwaresolutions.com, snasti.net and egiconsulting.eu share IP numbers with pcuo.cn.
Name Servers
pcuo.cn is delegated to two name servers: fred.ns.cloudflare.com and raina.ns.cloudflare.com.
pcuo.cn shares the same name server setup as other domains, for example cfdfyzl.com, dgcmall.com, 0871hxxy.com, 4006789105.cn and qfzsjt.com.
pcuo.cn at least partially shares name servers with other domains, for instance frankcostoya.com, mentalhealthonline.org, woodmontchurch.org, coxtails.co.uk and bartondeakin.com.
These name servers are often used with michael.ns.cloudflare.com and glen.ns.cloudflare.com.
Host names with six IP numbers:
fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113; raina.ns.cloudflare.com points to: 2606:4700:50::a29f:26f1, 2803:f800:50::6ca2:c2f1, 2a06:98c1:50::ac40:22f1, 108.162.194.241, 162.159.38.241 and 172.64.34.241.