`51cnc.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:1213^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b3a0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.19^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.160^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c055^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2055^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chloe.ns.cloudflare.com`
		A	108.162.192.85^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	172.64.32.85^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	173.245.58.85^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
NS	`jonah.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jonah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jonah.ns.cloudflare.com`
		A	108.162.193.186^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	172.64.33.186^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	173.245.59.186^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.18.19, 172.67.179.160
		IPv6	2606:4700:3036::6815:1213, 2606:4700:3037::ac43:b3a0
SOA	`chloe.ns.cloudflare.com`dns@cloudflare.com serial=2399902644

`net`

	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.net`nstld@verisign-grs.com serial=1774603852

Same first word

51cnc.blogspot.com

51cnc.net

51cnc.com

Similar names

cnc51.com

ccn51.com

51ncc.com

DNS History

20 records (6 active, 14 former)

○NSa.share-dns.com2026-02-15 → 2026-03-19 · 5 obs

○ 2017-03-18 19:36:30
● 2026-02-15 23:24:16
● 2026-03-19 11:58:16
○ 2026-03-25 16:31:52
○ 2026-03-27 09:36:30

○NSa11.share-dns.com2026-02-15 → 2026-03-19 · 5 obs

○ 2017-03-18 19:36:30
● 2026-02-15 23:24:16
● 2026-03-19 11:58:16
○ 2026-03-25 16:31:52
○ 2026-03-27 09:36:30

○NSb.share-dns.net2026-02-15 → 2026-03-19 · 5 obs

○ 2017-03-18 19:36:30
● 2026-02-15 23:24:16
● 2026-03-19 11:58:16
○ 2026-03-25 16:31:52
○ 2026-03-27 09:36:30

○NSb11.share-dns.net2026-02-15 → 2026-03-19 · 5 obs

○ 2017-03-18 19:36:30
● 2026-02-15 23:24:16
● 2026-03-19 11:58:16
○ 2026-03-25 16:31:52
○ 2026-03-27 09:36:30

●NSchloe.ns.cloudflare.com2026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

●NSjonah.ns.cloudflare.com2026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

○NSn3306.ns.yunjiasu.com2015-07-22 → 2017-03-18 · 5 obs

○ 2007-10-10 09:36:54
● 2015-07-22 10:28:52
● 2017-03-18 19:36:30
○ 2026-02-15 23:24:16
○ 2026-03-27 09:36:30

○NSn630.ns.yunjiasu.com2015-07-22 → 2017-03-18 · 5 obs

○ 2007-10-10 09:36:54
● 2015-07-22 10:28:52
● 2017-03-18 19:36:30
○ 2026-02-15 23:24:16
○ 2026-03-27 09:36:30

○NSns1.ehttp.com.cn2007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 09:36:54
○ 2015-07-22 10:28:52
○ 2026-03-27 09:36:30

○NSns2.ehttp.com.cn2007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 09:36:54
○ 2015-07-22 10:28:52
○ 2026-03-27 09:36:30

○MXmail.51cnc.net2007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 09:36:54
○ 2015-07-22 10:28:52
○ 2026-03-27 09:36:30

○MXmxdomain.qq.com2015-07-22 → 2026-02-16 · 5 obs

○ 2007-10-10 09:36:54
● 2015-07-22 10:28:52
● 2026-02-16 10:56:12
○ 2026-03-19 11:58:16
○ 2026-03-27 09:36:30

●A104.21.18.192026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

○A162.159.208.132015-07-22 → 2017-03-18 · 5 obs

○ 2007-10-10 09:36:54
● 2015-07-22 10:28:52
● 2017-03-18 19:36:30
○ 2026-02-15 23:24:16
○ 2026-03-27 09:36:30

○A162.159.209.132015-07-22 → 2017-03-18 · 5 obs

○ 2007-10-10 09:36:54
● 2015-07-22 10:28:52
● 2017-03-18 19:36:30
○ 2026-02-15 23:24:16
○ 2026-03-27 09:36:30

●A172.67.179.1602026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

●A2606:4700:3036::6815:12132026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

●A2606:4700:3037::ac43:b3a02026-03-25 → 2026-03-27 · 3 obs

○ 2026-03-19 11:58:16
● 2026-03-25 16:31:52
● 2026-03-27 09:36:30

○A38.38.148.872026-02-15 → 2026-03-19 · 5 obs

○ 2017-03-18 19:36:30
● 2026-02-15 23:24:16
● 2026-03-19 11:58:16
○ 2026-03-25 16:31:52
○ 2026-03-27 09:36:30

○A60.190.114.1472007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 09:36:54
○ 2015-07-22 10:28:52
○ 2026-03-27 09:36:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51cnc.net	chloe.ns.cloudflare.com, jonah.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.85

NS records: chloe.ns.cloudflare.com, jonah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51cnc.net (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.160, 104.21.18.19`
AAAA	2	`2606:4700:3036::6815:1213, 2606:4700:3037::ac43:b3a0`
NS	2	`chloe.ns.cloudflare.com, jonah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chloe.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

51cnc.net refers to four IP numbers: 2606:4700:3036::6815:1213, 2606:4700:3037::ac43:b3a0, 104.21.18.19 and 172.67.179.160.

Other host names, for instance theshops24.com, perrywelding.com, cima4up.com, www.hutir.net and duffandphelps.hk share IP numbers with 51cnc.net.

Name Servers

51cnc.net's delegation uses two name servers: chloe.ns.cloudflare.com and jonah.ns.cloudflare.com.

51cnc.net uses the same name server setup as other domains, such as clubeb2b.com.br, studentcarebd.com, wisdomcares.com, ahmuye.com and hyhxg.com.

51cnc.net at least partially shares name servers with other domains, including bjobber.com, webnovelsai.com, 123ausbildung.com, peakvets.co.uk and 3kprogramm.com.

These name servers are commonly used with robert.ns.cloudflare.com.

Host names with six IP numbers:

chloe.ns.cloudflare.com points to 2606:4700:50::adf5:3a55, 2803:f800:50::6ca2:c055, 2a06:98c1:50::ac40:2055, 108.162.192.85, 172.64.32.85 and 173.245.58.85.

jonah.ns.cloudflare.com points to 2606:4700:58::adf5:3bba, 2803:f800:50::6ca2:c1ba, 2a06:98c1:50::ac40:21ba, 108.162.193.186, 172.64.33.186 and 173.245.59.186.

51cnc.net - robtex.com

51cnc.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`51cnc.net`

`net`