57hub.cn - robtex.com
57hub.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:c58f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:345b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.52.91Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.197.143🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | adel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a37🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c037🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2037🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 108.162.192.55🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 172.64.32.55🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 173.245.58.55🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| NS | arch.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c144🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2144🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| A | 108.162.193.68🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| A | 172.64.33.68🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| A | 173.245.59.68🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arch.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.52.91, 172.67.197.143 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:c58f, 2606:4700:3036::6815:345b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com | ||||||
| SOA | adel.ns.cloudflare.comdns@cloudflare.com serial=2401607098 | ||||||
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=2034785210 | ||||||
Same first word
57hub.cn |
DNS History
9 records (6 active, 3 former)
●NSadel.ns.cloudflare.com2026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
●NSarch.ns.cloudflare.com2026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
○NSns1.nowcndns.com2026-02-24 → 2026-03-27 · 4 obs
● 2026-03-27 08:44:00
○ 2026-04-23 17:42:24
○ 2026-05-13 02:32:56
○NSns2.nowcndns.com2026-02-24 → 2026-03-27 · 4 obs
● 2026-03-27 08:44:00
○ 2026-04-23 17:42:24
○ 2026-05-13 02:32:56
●A104.21.52.912026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
●A172.67.197.1432026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
●A2606:4700:3032::ac43:c58f2026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
●A2606:4700:3036::6815:345b2026-04-23 → 2026-05-13 · 3 obs
● 2026-04-23 17:42:24
● 2026-05-13 02:32:56
○A38.33.168.2522026-02-24 → 2026-03-27 · 4 obs
● 2026-03-27 08:44:00
○ 2026-04-23 17:42:24
○ 2026-05-13 02:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 57hub.cn | adel.ns.cloudflare.com, arch.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.55
NS records: adel.ns.cloudflare.com, arch.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 57hub.cn (unsigned zone)
⏱️ Timing
Total: 807ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.52.91, 172.67.197.143 |
| AAAA | 2 | 2606:4700:3032::ac43:c58f, 2606:4700:3036::6815:345b |
| NS | 2 | adel.ns.cloudflare.com, arch.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | adel.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
57hub.cn maps to four IP numbers: 2606:4700:3032::ac43:c58f, 2606:4700:3036::6815:345b, 104.21.52.91 and 172.67.197.143.
Other host names, for instance 86654115be43.checco.com, stellenboschkunswedstryd.co.za, lasagsopra.pro, logdiary.com and www.lapizgrafico.com share IP numbers with 57hub.cn.
Name Servers
Two name servers adel.ns.cloudflare.com and arch.ns.cloudflare.com are delegated to 57hub.cn.
57hub.cn uses the same name server configuration as other domains, such as fzcsjc.cn, 99miao.cn, mrkor.cn, dve3.cn and 7iys.cn.
57hub.cn at least partially shares name servers with other domains such as mybrite.in, jordan1.uk.com, growwebrank.com, plasmacrown.com and xqshuw.com.
These name servers are commonly used with jack.ns.cloudflare.com and anton.ns.cloudflare.com.
Host names with six IP numbers: Host name adel.ns.cloudflare.com points to 2606:4700:50::adf5:3a37, 2803:f800:50::6ca2:c037, 2a06:98c1:50::ac40:2037, 108.162.192.55, 172.64.32.55 and 173.245.58.55; host name arch.ns.cloudflare.com points to 2606:4700:58::adf5:3b44, 2803:f800:50::6ca2:c144, 2a06:98c1:50::ac40:2144, 108.162.193.68, 172.64.33.68 and 173.245.59.68.