278u.cn - robtex.com
278u.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:24e0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:c806🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.36.224Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.200.6🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | deborah.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:266f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 108.162.194.111🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 162.159.38.111Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 172.64.34.111🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| NS | kurt.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 108.162.193.193🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 172.64.33.193🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 173.245.59.193🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.36.224, 172.67.200.6 | ||||||
| IPv6 hints | 2606:4700:3031::6815:24e0, 2606:4700:3036::ac43:c806 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com | ||||||
| SOA | deborah.ns.cloudflare.comdns@cloudflare.com serial=2398154062 | ||||||
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=2034703639 | ||||||
Same first word
278u.cn |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdeborah.ns.cloudflare.com2026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
●NSkurt.ns.cloudflare.com2026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
●A104.21.36.2242026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
●A172.67.200.62026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
●A2606:4700:3031::6815:24e02026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
●A2606:4700:3036::ac43:c8062026-04-16 → 2026-04-23 · 2 obs
● 2026-04-23 15:44:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 278u.cn | kurt.ns.cloudflare.com, deborah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.193
NS records: kurt.ns.cloudflare.com, deborah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 278u.cn (unsigned zone)
⏱️ Timing
Total: 1040ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.200.6, 104.21.36.224 |
| AAAA | 2 | 2606:4700:3036::ac43:c806, 2606:4700:3031::6815:24e0 |
| NS | 2 | deborah.ns.cloudflare.com, kurt.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | deborah.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
278u.cn points to four IP numbers: 2606:4700:3031::6815:24e0, 2606:4700:3036::ac43:c806, 104.21.36.224 and 172.67.200.6.
Other host names including krupasindhu-calendar.com, online-api.codingblocks.com, ragingbullnodeposit.com, nightly.us and bb071.com share IP numbers with 278u.cn.
Name Servers
278u.cn's delegation uses two name servers, deborah.ns.cloudflare.com and kurt.ns.cloudflare.com.
278u.cn shares the same name server setup as other domains, for example in97.cn, locang.cn, 52195.cn, kuas.cn and dwuf.cn.
278u.cn at least partially shares name servers with other domains, including leaderfocus.org.tw, shopcoupon.net, 2542292.com, konkanieu.com and mikadagroups.com.
These name servers are commonly used with haley.ns.cloudflare.com and benedict.ns.cloudflare.com.
Host names with six IP numbers:
deborah.ns.cloudflare.com points to: 2606:4700:50::a29f:266f, 2803:f800:50::6ca2:c26f, 2a06:98c1:50::ac40:226f, 108.162.194.111, 162.159.38.111 and 172.64.34.111.
kurt.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc1, 2803:f800:50::6ca2:c1c1, 2a06:98c1:50::ac40:21c1, 108.162.193.193, 172.64.33.193 and 173.245.59.193.