`certauth.cn`

DNSSEC	⚠️ Not signed
NS	`rene.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rene.ns.cloudflare.com`
		A	108.162.195.180^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	162.159.44.180^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	172.64.35.180^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
NS	`treasure.ns.cloudflare.com`
		A	2606:4700:50::a29f:2674^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c274^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`treasure.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2274^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`treasure.ns.cloudflare.com`
		A	108.162.194.116^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	162.159.38.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	172.64.34.116^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
SOA	`rene.ns.cloudflare.com`dns@cloudflare.com serial=2408235544

`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 2035-04-19 #45

Same first word

certauth.cn

certauth.net

certauth.com

Similar names

DNS History

2 records (2 active, 0 former)

●NSrene.ns.cloudflare.com2026-05-25 → 2026-07-15 · 2 obs

● 2026-05-25 17:45:32
● 2026-07-15 04:29:44

●NStreasure.ns.cloudflare.com2026-05-25 → 2026-07-15 · 2 obs

● 2026-05-25 17:45:32
● 2026-07-15 04:29:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
certauth.cn	rene.ns.cloudflare.com, treasure.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.116

NS records: rene.ns.cloudflare.com, treasure.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certauth.cn (unsigned zone)

⏱️ Timing

Total: 1006ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`rene.ns.cloudflare.com, treasure.ns.cloudflare.com`
SOA	1	`rene.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

DNS delegation for certauth.cn points to two name servers: rene.ns.cloudflare.com and treasure.ns.cloudflare.com.

certauth.cn uses the same name servers as several other domains — among them carbonmonoxidelawhelp.com, wyldthings.net, webdesigns.agency and two more.

There is at least partial name server overlap between certauth.cn and other domains — erotikkoleksiyon.com, cmitcincy.com, radatime.co.id and two more among them.

These name servers tend to appear in combination with the name servers mike.ns.cloudflare.com, titan.ns.cloudflare.com, hal.ns.cloudflare.com and stella.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

rene.ns.cloudflare.com has IP addresses 108.162.195.180, 162.159.44.180 and 172.64.35.180, plus 3 other.

treasure.ns.cloudflare.com has IP addresses 108.162.194.116, 162.159.38.116 and 172.64.34.116, plus 3 other.

certauth.cn - robtex.com

certauth.cn

cn