`51fe.cn`

DNSSEC	⚠️ Not signed
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2410795675

`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=2035176755

Same first word

51fe.com

51fe.cn

Similar names

ef51.cn

51ef.com.cn

e15f.net

15ef.com

1fe5.cn

e5f1.my

fe51.df.gov.br

DNS History

9 records (2 active, 7 former)

○NSalice.dnspod.net2026-06-27 → 2026-06-27 · 3 obs

○ 2017-04-24 10:45:38
● 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

○NScepheus.dnspod.net2026-06-27 → 2026-06-27 · 3 obs

○ 2017-04-24 10:45:38
● 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

○NSdns.bizcn.com2017-04-24 → 2017-04-24 · 4 obs

○ 2015-10-10 01:40:28
● 2017-04-24 10:45:38
○ 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

●NSmary.ns.cloudflare.com2026-08-13 → 2026-08-13 · 2 obs

○ 2026-06-27 15:47:56
● 2026-08-13 17:56:38

●NSnitin.ns.cloudflare.com2026-08-13 → 2026-08-13 · 2 obs

○ 2026-06-27 15:47:56
● 2026-08-13 17:56:38

○NSns1.dns.com.cn2015-10-10 → 2017-04-24 · 5 obs

○ 2015-05-04 13:15:20
● 2015-10-10 01:40:28
● 2017-04-24 10:45:38
○ 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

○NSns2.dns.com.cn2015-05-04 → 2017-04-24 · 4 obs

● 2015-05-04 13:15:20
● 2017-04-24 10:45:38
○ 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

○MXmail.51fe.cn2015-10-10 → 2017-04-24 · 4 obs

● 2015-10-10 01:40:28
● 2017-04-24 10:45:38
○ 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

○A124.172.244.122015-05-04 → 2016-04-04 · 4 obs

● 2015-05-04 13:15:20
● 2016-04-04 13:29:50
○ 2026-06-27 15:47:56
○ 2026-08-13 17:56:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...	-
51fe.cn	mary.ns.cloudflare.com, nitin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.134

NS records: mary.ns.cloudflare.com, nitin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51fe.cn (unsigned zone)

⏱️ Timing

Total: 842ms | Queries: -

📄 Records

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

Analysis

Name Servers

The NS records for 51fe.cn delegate to mary.ns.cloudflare.com and nitin.ns.cloudflare.com.

51fe.cn has the same name server delegation as a number of other domains, such as chronochatelain.ch, myford.co.uk, ronivonu.com and two more.

At least some of 51fe.cn's name servers are shared with other domains, for example blujedi.com, fumigacionesmonterrey.com.mx, pfasanmarco.it and two more.

It is common for these name servers to be used in conjunction with the name servers cass.ns.cloudflare.com, ulla.ns.cloudflare.com and ram.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

mary.ns.cloudflare.com maps to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 additional IP addresses.

nitin.ns.cloudflare.com maps to 108.162.193.215, 172.64.33.215, 173.245.59.215 and 3 additional IP addresses.

51fe.cn - robtex.com

51fe.cn

cn