certnetworks.com - dns.ninja

`certnetworks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:3250^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f7a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.80^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.122^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nucum.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2691^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c291^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nucum.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2291^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nucum.ns.cloudflare.com`
		A	108.162.194.145^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	162.159.38.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	172.64.34.145^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
NS	`rustam.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rustam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c394^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rustam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2394^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rustam.ns.cloudflare.com`
		A	108.162.195.148^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rustam.ns.cloudflare.com`
		A	162.159.44.148^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rustam.ns.cloudflare.com`
		A	172.64.35.148^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rustam.ns.cloudflare.com`
MX	`imail.certnet.work` ⭐
		A	185.75.21.21^{🇬🇧 UKSERVERS-AS185.75.20.0/23}
			PTR	`imail.certnet.work`
TXT	`v=spf1 +mx +a +ip4:185.75.21.21 +ip4:94.136.168.94 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.80, 172.67.159.122
		IPv6 hints	2606:4700:3037::6815:3250, 2606:4700:3037::ac43:9f7a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com
SOA	`nucum.ns.cloudflare.com`dns@cloudflare.com serial=2410237038

`com`

	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=1784947942

Same first word

certnetworks.tk

certnetworks.com

Similar names

krcotternews.com

workcrestnet.com

crestnetwork.org.uk

crestnetwork.com

networkcrest.com

DNS History

22 records (7 active, 15 former)

○NShnd.earth.orderbox-dns.com2015-07-24 → 2019-12-24 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

○NShnd.mars.orderbox-dns.com2015-07-24 → 2019-12-24 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

○NShnd.mercury.orderbox-dns.com2015-07-24 → 2019-12-24 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

○NShnd.venus.orderbox-dns.com2015-07-24 → 2019-12-24 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

○NSns.nameservers.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:19:00
○ 2015-07-24 18:28:58
○ 2026-07-25 03:03:14

○NSns2.nameservers.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:19:00
○ 2015-07-24 18:28:58
○ 2026-07-25 03:03:14

●NSnucum.ns.cloudflare.com2026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

●NSrustam.ns.cloudflare.com2026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

●MXimail.certnet.work2026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

○MXmail-fwd.g14.rapidsite.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:19:00
○ 2015-07-24 18:28:58
○ 2026-07-25 03:03:14

○MXns1.certnetworks.com2019-12-24 → 2019-12-24 · 4 obs

○ 2016-06-27 09:24:46
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

○MXus2.mx1.mailhostbox.com2015-07-24 → 2016-06-27 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2016-06-27 09:24:46
○ 2019-12-24 08:07:56
○ 2026-07-25 03:03:14

○MXus2.mx2.mailhostbox.com2015-07-24 → 2016-06-27 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2016-06-27 09:24:46
○ 2019-12-24 08:07:56
○ 2026-07-25 03:03:14

○MXus2.mx3.mailhostbox.com2015-07-24 → 2016-06-27 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2016-06-27 09:24:46
○ 2019-12-24 08:07:56
○ 2026-07-25 03:03:14

●A104.21.50.802026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

○A107.181.179.92015-07-24 → 2015-11-24 · 5 obs

○ 2008-03-20 08:19:00
● 2015-07-24 18:28:58
● 2015-11-24 20:41:22
○ 2016-02-23 14:02:32
○ 2026-07-25 03:03:14

○A128.121.143.1022008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:19:00
○ 2015-07-24 18:28:58
○ 2026-07-25 03:03:14

●A172.67.159.1222026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

○A207.180.197.322019-12-24 → 2019-12-24 · 4 obs

○ 2016-06-27 09:24:46
● 2019-12-24 08:07:56
○ 2026-07-16 21:30:18
○ 2026-07-25 03:03:14

●A2606:4700:3037::6815:32502026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

●A2606:4700:3037::ac43:9f7a2026-07-16 → 2026-07-25 · 3 obs

○ 2019-12-24 08:07:56
● 2026-07-16 21:30:18
● 2026-07-25 03:03:14

○A94.203.163.32016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-23 14:02:32
● 2016-06-27 09:24:46
○ 2019-12-24 08:07:56
○ 2026-07-25 03:03:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
certnetworks.com	nucum.ns.cloudflare.com, rustam.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.145

NS records: nucum.ns.cloudflare.com, rustam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certnetworks.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.80, 172.67.159.122`
AAAA	2	`2606:4700:3037::ac43:9f7a, 2606:4700:3037::6815:3250`
NS	2	`nucum.ns.cloudflare.com, rustam.ns.cloudflare.com`
MX	1	`imail.certnet.work (pri: 0)`
TXT	1	`v=spf1 +mx +a +ip4:185.75.21.21 +ip4:94.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nucum.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nucum.ns.cloudflare.com, nucum.ns.cloudflare.com, nucum.ns.cloudflare.com...)

Analysis

IP Addresses

certnetworks.com points to the four IP addresses 104.21.50.80, 172.67.159.122, 2606:4700:3037::6815:3250 and 2606:4700:3037::ac43:9f7a.

www.itssearchtime.com, therivus.co, mail.pottsdental.com and two other host names share IP numbers with certnetworks.com.

Name Servers

certnetworks.com is delegated to two name servers: nucum.ns.cloudflare.com and rustam.ns.cloudflare.com.

certnetworks.com uses the same name servers as several other domains — among them cultlight.com.br, certnet.work, feceg.com and two more.

At least some of certnetworks.com's name servers are shared with other domains, for example micahm.com, glzyx.com, splurging.com and two more.

These name servers are often deployed together with the name servers nelci.ns.cloudflare.com, dalary.ns.cloudflare.com, arvind.ns.cloudflare.com and lloyd.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

nucum.ns.cloudflare.com resolves to 108.162.194.145, 162.159.38.145, 172.64.34.145 and 3 other IP addresses.

rustam.ns.cloudflare.com resolves to 108.162.195.148, 162.159.44.148, 172.64.35.148 and 3 other IP addresses.

Mail Servers

Mail for certnetworks.com is handled by a single mail server, imail.certnet.work.

The mail server configuration of certnetworks.com is identical to that of other domains — certnet.work being one example.

certnetworks.com overlaps on mail servers with certain other domains, smartchaincoinmarket.com among them.

This set of mail servers commonly appears together with the mail servers _dc-mx.372cc8ab9379.smartchaincoinmarket.com.

imail.certnet.work resolves to a single IP number: 185.75.21.21.