`certak.com`

DNSSEC	⚠️ Not signed
A	75.119.140.29^{🇩🇪 CONTABO75.119.128.0/19}
		PTR	`vmi1232986.contaboserver.net`
NS	`ns1.blacknight.com` ⭐
		A	78.153.212.176^{🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`ns1.blacknight.com`
NS	`ns2.blacknight.com`
		A	2a01:a8:dc3:3313::aaaa^{🇮🇪 BLACKNIGHT-AS2a01:a8::/32 IE-BLACKNIGHT-PA-IPV6}
			PTR	`ns2.blacknight.com`
		A	81.17.254.6^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`ns2.blacknight.com`
NS	`ns3.blacknight.com`
		A	2a00:fea0:dead::beef^{🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project}
		A	185.28.194.194^{🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.}
			PTR	`ns2.anycastdns.cz`
NS	`ns4.blacknight.com`
		A	185.38.108.108^{🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project}
			PTR	`ns1.anycastdns.cz`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`ip-172-253-63-27.defastlink.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	192.178.209.27^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f27.1e100.net`
TXT	`google-site-verification=nm4elNGUlG6JE46Sxv5SMqzfQvnZelsfo2J4jIUOjc8`
SOA	`ns1.blacknight.com`hostmaster@blacknight.com serial=1275916793

`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=1776257342

Subdomains

www.certak.com

Same first word

certak.cz

certak.com

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racket.us

DNS History

15 records (10 active, 5 former)

●NSns1.blacknight.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 16:52:12
● 2026-04-15 12:58:24

●NSns2.blacknight.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 16:52:12
● 2026-04-15 12:58:24

●NSns3.blacknight.com2018-10-24 → 2026-04-15 · 3 obs

○ 2015-06-09 16:52:12
● 2018-10-24 16:56:14
● 2026-04-15 12:58:24

●NSns4.blacknight.com2018-10-24 → 2026-04-15 · 3 obs

○ 2015-06-09 16:52:12
● 2018-10-24 16:56:14
● 2026-04-15 12:58:24

●MXalt1.aspmx.l.google.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 16:52:12
● 2026-04-15 12:58:24

●MXalt2.aspmx.l.google.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 16:52:12
● 2026-04-15 12:58:24

●MXalt3.aspmx.l.google.com2026-04-14 → 2026-04-15 · 3 obs

○ 2018-10-24 16:56:14
● 2026-04-14 06:42:26
● 2026-04-15 12:58:24

●MXalt4.aspmx.l.google.com2026-04-14 → 2026-04-15 · 3 obs

○ 2018-10-24 16:56:14
● 2026-04-14 06:42:26
● 2026-04-15 12:58:24

●MXaspmx.l.google.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 16:52:12
● 2026-04-15 12:58:24

○MXaspmx2.googlemail.com2015-06-09 → 2018-10-24 · 4 obs

● 2015-06-09 16:52:12
● 2018-10-24 16:56:14
○ 2026-04-14 06:42:26
○ 2026-04-15 12:58:24

○MXaspmx3.googlemail.com2015-06-09 → 2018-10-24 · 4 obs

● 2015-06-09 16:52:12
● 2018-10-24 16:56:14
○ 2026-04-14 06:42:26
○ 2026-04-15 12:58:24

○A46.105.31.2282018-10-24 → 2018-10-24 · 4 obs

○ 2016-10-13 09:53:30
● 2018-10-24 16:56:14
○ 2026-04-14 06:42:26
○ 2026-04-15 12:58:24

○A51.254.209.1222016-04-16 → 2016-10-13 · 5 obs

○ 2016-01-27 08:42:56
● 2016-04-16 17:10:20
● 2016-10-13 09:53:30
○ 2018-10-24 16:56:14
○ 2026-04-15 12:58:24

●A75.119.140.292026-04-14 → 2026-04-15 · 3 obs

○ 2018-10-24 16:56:14
● 2026-04-14 06:42:26
● 2026-04-15 12:58:24

○A78.46.191.302015-06-09 → 2016-01-27 · 4 obs

● 2015-06-09 16:52:12
● 2016-01-27 08:42:56
○ 2016-04-16 17:10:20
○ 2026-04-15 12:58:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certak.com	ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com	6 records

✅ Authoritative Response

Server:185.28.194.194

NS records: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certak.com (unsigned zone)

⏱️ Timing

Total: 1306ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.119.140.29`
NS	4	`ns1.blacknight.com, ns3.blacknight.com...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...`
TXT	1	`google-site-verification=nm4elNGUlG6JE46`
SOA	1	`ns1.blacknight.com hostmaster.blacknight`