51ruanzh.com - robtex.com
51ruanzh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:d6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:804e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.0.214Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.128.78🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kaiser.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c09🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c309🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2309🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| A | 108.162.195.9🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| A | 162.159.44.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| A | 172.64.35.9🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kaiser.ns.cloudflare.com | ||||||
| NS | stevie.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:266a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| A | 108.162.194.106🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| A | 162.159.38.106Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| A | 172.64.34.106🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | stevie.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.0.214, 172.67.128.78 | ||||||
| IPv6 hints | 2606:4700:3036::6815:d6, 2606:4700:3036::ac43:804e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com | ||||||
| SOA | kaiser.ns.cloudflare.comdns@cloudflare.com serial=2402152868 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778338381 | ||||||
Subdomains
www.51ruanzh.com |
Same first word
51ruanzh.com |
DNS History
10 records (6 active, 4 former)
●NSkaiser.ns.cloudflare.com2026-03-20 → 2026-05-09 · 3 obs
● 2026-03-20 07:36:42
● 2026-05-09 14:54:26
○NSns11.xincache.com2015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-25 14:15:40
○ 2026-05-09 14:54:26
○NSns12.xincache.com2015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-25 14:15:40
○ 2026-05-09 14:54:26
○NSns15.xincache.com2015-10-25 → 2016-12-29 · 5 obs
● 2015-10-25 14:15:40
● 2016-12-29 21:38:06
○ 2026-03-20 07:36:42
○ 2026-05-09 14:54:26
○NSns16.xincache.com2015-10-25 → 2016-12-29 · 5 obs
● 2015-10-25 14:15:40
● 2016-12-29 21:38:06
○ 2026-03-20 07:36:42
○ 2026-05-09 14:54:26
●NSstevie.ns.cloudflare.com2026-03-20 → 2026-05-09 · 3 obs
● 2026-03-20 07:36:42
● 2026-05-09 14:54:26
●A104.21.0.2142026-03-20 → 2026-05-09 · 2 obs
● 2026-05-09 14:54:26
●A172.67.128.782026-03-20 → 2026-05-09 · 2 obs
● 2026-05-09 14:54:26
●A2606:4700:3036::6815:d62026-03-20 → 2026-05-09 · 2 obs
● 2026-05-09 14:54:26
●A2606:4700:3036::ac43:804e2026-03-20 → 2026-05-09 · 2 obs
● 2026-05-09 14:54:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51ruanzh.com | stevie.ns.cloudflare.com, kaiser.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.9
NS records: stevie.ns.cloudflare.com, kaiser.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ruanzh.com (unsigned zone)
⏱️ Timing
Total: 381ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.128.78, 104.21.0.214 |
| AAAA | 2 | 2606:4700:3036::6815:d6, 2606:4700:3036::ac43:804e |
| NS | 2 | kaiser.ns.cloudflare.com, stevie.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kaiser.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (stevie.ns.cloudflare.com, stevie.ns.cloudflare.com, stevie.ns.cloudflare.com...)
Analysis
Hierarchy
www.51ruanzh.com has 51ruanzh.com as its parent.
IP Addresses
51ruanzh.com maps to four IP numbers: 2606:4700:3036::6815:d6, 2606:4700:3036::ac43:804e, 104.21.0.214 and 172.67.128.78.
Other host names, for instance kbopro.com, haaker.com, www.gdlichuan.com, ziixl.com and who-gaming.com share IP numbers with 51ruanzh.com.
Name Servers
Two name servers kaiser.ns.cloudflare.com and stevie.ns.cloudflare.com are delegated to 51ruanzh.com.
51ruanzh.com uses the same name server configuration as other domains, such as hs-80.com, jajbjg.com, esfhyy.com, lzjyyj.com and luo-guansheng.com.
51ruanzh.com at least partially shares name servers with other domains such as vennandsons.co.uk, premierfcu.org, alabel.nl, recvc.com and phimmoi247.online.
These name servers are commonly used with ian.ns.cloudflare.com and mona.ns.cloudflare.com.
Host names with six IP numbers: Host name kaiser.ns.cloudflare.com points to 2606:4700:58::a29f:2c09, 2803:f800:50::6ca2:c309, 2a06:98c1:50::ac40:2309, 108.162.195.9, 162.159.44.9 and 172.64.35.9; host name stevie.ns.cloudflare.com points to 2606:4700:50::a29f:266a, 2803:f800:50::6ca2:c26a, 2a06:98c1:50::ac40:226a, 108.162.194.106, 162.159.38.106 and 172.64.34.106.