`81391.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d468^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:25bb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.187^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.104^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gene.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gene.ns.cloudflare.com`
		A	108.162.192.158^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	173.245.58.158^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
NS	`renan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`renan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`renan.ns.cloudflare.com`
		A	108.162.195.62^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	162.159.44.62^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	172.64.35.62^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.187, 172.67.212.104
		IPv6 hints	2606:4700:3030::ac43:d468, 2606:4700:3037::6815:25bb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2409533111

`cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⚠️ Not in zone NS records
	NS	`b.dns.cn` ⚠️ Not in zone NS records
	NS	`c.dns.cn` ⚠️ Not in zone NS records
	NS	`d.dns.cn` ⚠️ Not in zone NS records
	NS	`e.dns.cn` ⚠️ Not in zone NS records

Same first word

81391.com

81391.cn

81391.us

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DNS History

31 records (6 active, 25 former)

○NSarmando.ns.cloudflare.com2026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

○NSdns1.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○NSdns2.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○NSdns3.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○NSdns4.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○NSdns5.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○NSdns6.iidns.com2016-01-24 → 2016-01-24 · 3 obs

● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

●NSgene.ns.cloudflare.com2026-07-16 → 2026-08-01 · 3 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
● 2026-08-01 21:37:32

○NSines.ns.cloudflare.com2026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

●NSrenan.ns.cloudflare.com2026-07-16 → 2026-08-01 · 3 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
● 2026-08-01 21:37:32

●A104.21.37.1872026-07-21 → 2026-08-01 · 3 obs

○ 2026-07-16 07:49:22
● 2026-07-21 22:06:48
● 2026-08-01 21:37:32

○A104.21.46.432026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

●A172.67.212.1042026-07-21 → 2026-08-01 · 3 obs

○ 2026-07-16 07:49:22
● 2026-07-21 22:06:48
● 2026-08-01 21:37:32

○A172.67.223.1572026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

○A188.114.96.02026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
○ 2026-07-21 22:06:48
○ 2026-08-01 21:37:32

○A188.114.97.02026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
○ 2026-07-21 22:06:48
○ 2026-08-01 21:37:32

○A198.148.92.1572016-01-24 → 2016-01-24 · 4 obs

○ 2015-06-13 22:38:22
● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.1582016-01-24 → 2016-01-24 · 4 obs

○ 2015-06-13 22:38:22
● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.532015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:38:22
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.542016-01-24 → 2016-01-24 · 4 obs

○ 2015-06-13 22:38:22
● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.562015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:38:22
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.582015-06-13 → 2016-01-24 · 4 obs

● 2015-06-13 22:38:22
● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

○A198.148.92.622015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:38:22
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

●A2606:4700:3030::ac43:d4682026-07-21 → 2026-08-01 · 3 obs

○ 2026-07-16 07:49:22
● 2026-07-21 22:06:48
● 2026-08-01 21:37:32

○A2606:4700:3030::ac43:df9d2026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

○A2606:4700:3035::6815:2e2b2026-07-10 → 2026-07-10 · 4 obs

○ 2017-12-16 23:01:38
● 2026-07-10 13:44:34
○ 2026-07-16 07:49:22
○ 2026-08-01 21:37:32

●A2606:4700:3037::6815:25bb2026-07-21 → 2026-08-01 · 3 obs

○ 2026-07-16 07:49:22
● 2026-07-21 22:06:48
● 2026-08-01 21:37:32

○A2a06:98c1:3120::2026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
○ 2026-07-21 22:06:48
○ 2026-08-01 21:37:32

○A2a06:98c1:3121::2026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-10 13:44:34
● 2026-07-16 07:49:22
○ 2026-07-21 22:06:48
○ 2026-08-01 21:37:32

○CNAMEdcbb.cn2017-12-16 → 2017-12-16 · 4 obs

○ 2016-01-24 18:17:04
● 2017-12-16 23:01:38
○ 2026-07-10 13:44:34
○ 2026-08-01 21:37:32

○CNAMEfw.ename.net2015-06-13 → 2016-01-24 · 4 obs

● 2015-06-13 22:38:22
● 2016-01-24 18:17:04
○ 2017-12-16 23:01:38
○ 2026-08-01 21:37:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn...	-
81391.cn	gene.ns.cloudflare.com, renan.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.158

NS records: gene.ns.cloudflare.com, renan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 81391.cn (unsigned zone)

⏱️ Timing

Total: 706ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.104, 104.21.37.187`
AAAA	2	`2606:4700:3037::6815:25bb, 2606:4700:3030::ac43:d468`
NS	2	`gene.ns.cloudflare.com, renan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

81391.cn resolves to four IP addresses: 104.21.37.187, 172.67.212.104, 2606:4700:3030::ac43:d468 and 2606:4700:3037::6815:25bb.

Among the host names that share IP numbers with 81391.cn are jurnal.widyagama.ac.id, trangcadobongda.de.com, royalpetqa.com and two others.

Name Servers

81391.cn is delegated to two name servers: gene.ns.cloudflare.com and renan.ns.cloudflare.com.

81391.cn has the same name server delegation as a number of other domains, such as arhg.cn, sclizetang.com, hdlyj.cn and two more.

81391.cn shares at least some of its name servers with other domains, including theappsnow.com, drorpoleg.com, mny-maintenance.pages.dev and two others.

These name servers are frequently paired with the name servers ian.ns.cloudflare.com and mark.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gene.ns.cloudflare.com resolves to 108.162.192.158, 172.64.32.158, 173.245.58.158 and 3 other IP addresses.

renan.ns.cloudflare.com resolves to 108.162.195.62, 162.159.44.62, 172.64.35.62 and 3 other IP addresses.

81391.cn - robtex.com

81391.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`81391.cn`

`cn`