`ruanbu.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8f78^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1bc0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.192^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.120^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`casey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`casey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`casey.ns.cloudflare.com`
		A	108.162.195.158^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	162.159.44.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	172.64.35.158^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
NS	`kim.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.192, 172.67.143.120
		IPv6 hints	2606:4700:3031::ac43:8f78, 2606:4700:3037::6815:1bc0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com
SOA	`casey.ns.cloudflare.com`dns@cloudflare.com serial=2400427212

`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.cn`root@cnnic.cn serial=2034668921

Same first word

ruanbu.cn

Similar names

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DNS History

14 records (6 active, 8 former)

●NScasey.ns.cloudflare.com2026-04-08 → 2026-04-14 · 3 obs

○ 2017-01-19 09:43:56
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

○NSdns1.iidns.com2017-01-19 → 2017-01-19 · 4 obs

○ 2016-10-19 21:34:28
● 2017-01-19 09:43:56
○ 2026-04-08 15:54:12
○ 2026-04-14 08:14:44

●NSkim.ns.cloudflare.com2026-04-08 → 2026-04-14 · 3 obs

○ 2017-01-19 09:43:56
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

○NSns1.dns.com2016-10-19 → 2016-10-19 · 4 obs

○ 2016-09-07 04:48:28
● 2016-10-19 21:34:28
○ 2017-01-19 09:43:56
○ 2026-04-14 08:14:44

○NSns2.dns.com2016-10-19 → 2016-10-19 · 4 obs

○ 2016-09-07 04:48:28
● 2016-10-19 21:34:28
○ 2026-04-08 15:54:12
○ 2026-04-14 08:14:44

○NSwww.ruanbu.cn2016-08-21 → 2016-09-07 · 4 obs

● 2016-08-21 01:39:56
● 2016-09-07 04:48:28
○ 2016-10-19 21:34:28
○ 2026-04-14 08:14:44

○MXio.bouncemx.com2016-08-21 → 2016-09-07 · 4 obs

● 2016-08-21 01:39:56
● 2016-09-07 04:48:28
○ 2026-04-08 15:54:12
○ 2026-04-14 08:14:44

●A104.21.27.1922026-04-08 → 2026-04-14 · 3 obs

○ 2016-10-19 21:34:28
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

●A172.67.143.1202026-04-08 → 2026-04-14 · 3 obs

○ 2016-10-19 21:34:28
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

○A192.187.101.1632016-10-19 → 2016-10-19 · 4 obs

○ 2016-09-07 04:48:28
● 2016-10-19 21:34:28
○ 2026-04-08 15:54:12
○ 2026-04-14 08:14:44

●A2606:4700:3031::ac43:8f782026-04-08 → 2026-04-14 · 3 obs

○ 2016-10-19 21:34:28
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

●A2606:4700:3037::6815:1bc02026-04-08 → 2026-04-14 · 3 obs

○ 2016-10-19 21:34:28
● 2026-04-08 15:54:12
● 2026-04-14 08:14:44

○A70.39.84.2542016-08-21 → 2016-09-07 · 4 obs

● 2016-08-21 01:39:56
● 2016-09-07 04:48:28
○ 2016-10-19 21:34:28
○ 2026-04-14 08:14:44

○CNAMEr.dcoin.co2016-08-21 → 2016-09-07 · 4 obs

● 2016-08-21 01:39:56
● 2016-09-07 04:48:28
○ 2016-10-19 21:34:28
○ 2026-04-14 08:14:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn...	-
ruanbu.cn	kim.ns.cloudflare.com, casey.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.158

NS records: kim.ns.cloudflare.com, casey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruanbu.cn (unsigned zone)

⏱️ Timing

Total: 794ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.192, 172.67.143.120`
AAAA	2	`2606:4700:3037::6815:1bc0, 2606:4700:3031::ac43:8f78`
NS	2	`casey.ns.cloudflare.com, kim.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`casey.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ruanbu.cn maps to four IP numbers: 2606:4700:3031::ac43:8f78, 2606:4700:3037::6815:1bc0, 104.21.27.192 and 172.67.143.120.

other host names include m8.xrtccardano.com, tesd-34542.best-jogurtnica.ru, new88mid.com, 0279999.com and tesd-11416.best-jogurtnica.ru; they share IP numbers with ruanbu.cn.

Name Servers

Two name servers casey.ns.cloudflare.com and kim.ns.cloudflare.com handle the delegation for ruanbu.cn.

ruanbu.cn shares the same name server setup as other domains, for instance studioas81.com, wm2016.com, coderparty.com, kyoukai100.com and oga-shuji.com.

ruanbu.cn at least partially shares name servers with other domains, for instance widmo.eu, miastownetrzbrw.pl, goodreturns.in, 70lh.cn and pay.info.

These name servers are commonly used alongside leif.ns.cloudflare.com.

Six IP addresses per host:

casey.ns.cloudflare.com points to 2606:4700:58::a29f:2c9e, 2803:f800:50::6ca2:c39e, 2a06:98c1:50::ac40:239e, 108.162.195.158, 162.159.44.158 and 172.64.35.158; kim.ns.cloudflare.com points to 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126

ruanbu.cn - robtex.com

ruanbu.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`ruanbu.cn`

`cn`