certainsign.com - dns.ninja

`certainsign.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3ad9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:cff6^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.217^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.246^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
NS	`laura.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.217, 172.67.207.246
		IPv6 hints	2606:4700:3034::6815:3ad9, 2606:4700:3034::ac43:cff6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`clark.ns.cloudflare.com`dns@cloudflare.com serial=2409592001

`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=1786244689

Previously MX for

certainsign.com

Same first word

certainsign.com

Similar names

stineracing.com

intercasing.com.br

intercasing.com

sectraining.com

cineratings.com

sectraining.net

cestraining.com

DNS History

18 records (6 active, 12 former)

○NSa.share-dns.com2026-02-24 → 2026-02-24 · 5 obs

○ 2017-08-31 18:27:34
● 2026-02-24 00:51:44
● 2026-02-24 08:36:14
○ 2026-08-06 02:42:38
○ 2026-08-09 03:25:36

○NSb.share-dns.net2026-02-24 → 2026-02-24 · 5 obs

○ 2017-08-31 18:27:34
● 2026-02-24 00:51:44
● 2026-02-24 08:36:14
○ 2026-08-06 02:42:38
○ 2026-08-09 03:25:36

●NSclark.ns.cloudflare.com2026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

○NSdns.site5.com2017-08-31 → 2017-08-31 · 4 obs

○ 2016-12-20 22:58:54
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○ 2026-08-09 03:25:36

○NSdns2.site5.com2017-08-31 → 2017-08-31 · 4 obs

○ 2016-12-20 22:58:54
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○ 2026-08-09 03:25:36

●NSlaura.ns.cloudflare.com2026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

○NSns53.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:58:54
○ 2017-08-31 18:27:34
○ 2026-08-09 03:25:36

○NSns54.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:58:54
○ 2017-08-31 18:27:34
○ 2026-08-09 03:25:36

○MXcertainsign.com2017-08-31 → 2017-08-31 · 4 obs

○ 2016-12-20 22:58:54
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○ 2026-08-09 03:25:36

○MXmailstore1.secureserver.net2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:58:54
○ 2017-08-31 18:27:34
○ 2026-08-09 03:25:36

○MXsmtp.secureserver.net2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:58:54
○ 2017-08-31 18:27:34
○ 2026-08-09 03:25:36

●A104.21.58.2172026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

○A129.121.5.2122017-08-31 → 2017-08-31 · 4 obs

○ 2016-12-20 22:58:54
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○ 2026-08-09 03:25:36

○A154.206.138.402026-02-24 → 2026-02-24 · 5 obs

○ 2017-08-31 18:27:34
● 2026-02-24 00:51:44
● 2026-02-24 08:36:14
○ 2026-08-06 02:42:38
○ 2026-08-09 03:25:36

●A172.67.207.2462026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

○A184.168.221.532016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:58:54
○ 2017-08-31 18:27:34
○ 2026-08-09 03:25:36

●A2606:4700:3034::6815:3ad92026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

●A2606:4700:3034::ac43:cff62026-08-06 → 2026-08-09 · 3 obs

○ 2026-02-24 08:36:14
● 2026-08-06 02:42:38
● 2026-08-09 03:25:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certainsign.com	clark.ns.cloudflare.com, laura.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.183

NS records: clark.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certainsign.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.217, 172.67.207.246`
AAAA	2	`2606:4700:3034::6815:3ad9, 2606:4700:3034::ac43:cff6`
NS	2	`clark.ns.cloudflare.com, laura.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clark.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

certainsign.com has four IP addresses: 104.21.58.217, 172.67.207.246, 2606:4700:3034::6815:3ad9 and 2606:4700:3034::ac43:cff6.

Among the host names that share IP numbers with certainsign.com are www.dreemy.ai, thyssenkrupp-homesolutions.es, www.hotelformentor.net and two others.

Name Servers

The NS records for certainsign.com delegate to clark.ns.cloudflare.com and laura.ns.cloudflare.com.

certainsign.com has the same name server delegation as a number of other domains, such as zcjlr.com, zszzy.com, htjztec.com and two more.

certainsign.com shares at least some of its name servers with other domains, including hhh.hn, ivet.ro, casino-q5kr.buzz and two others.

These name servers are frequently paired with the name servers augustus.ns.cloudflare.com, carter.ns.cloudflare.com and keyla.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

clark.ns.cloudflare.com maps to 108.162.193.87, 172.64.33.87, 173.245.59.87 and 3 additional IP addresses.

laura.ns.cloudflare.com maps to 108.162.192.183, 172.64.32.183, 173.245.58.183 and 3 additional IP addresses.