critech.dk - dns.ninja

`critech.dk`

DNSSEC	⚠️ Not signed
NS	`isla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
NS	`johnathan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c2c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`johnathan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`johnathan.ns.cloudflare.com`
		A	108.162.195.44^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	162.159.44.44^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	172.64.35.44^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		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	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`MS=426C2A6769AAE17FC0FE23CD791757276698E416`
TXT	`google-site-verification=hc-mT6Xt_9hTomUkbqEU8Ixx4Ny...`
TXT	`v=spf1 include:_spf.google.com -all`
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2409260707

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1785085741localtime Sun Jul 26 19:09:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1785085741

Same first word

critech.ru

critech.dk

critech.biz

critech.com

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richtec.com

itechcr.net

theicrc.org

thecric.com

hitecrc.de

cihcert.com

itechcr.com

richtec.com.tw

techric.com

rcitech.ca

cirtech.edu.vn

chicret.com

chertic.ru

thecirc.com

thcrice.com

ccthire.com

thercci.org

techicr.com

thericc.org

irctech.net

chicret.gr

techirc.com

chitrec.org

thecirc.us

hirtecc.de

cirtech.co.uk

cirtech.org

crichet.com

chirtec.uz

rictech.ru

richtec.de

irctech.com

theiccr.com

cirtech.us

cirtech.fr

ticcher.com

rictech.co.uk

cirtech.com

rcitech.com

rictech.com

DNS History

17 records (7 active, 10 former)

●NSisla.ns.cloudflare.com2026-03-26 → 2026-07-26 · 3 obs

○ 2018-01-20 00:29:18
● 2026-03-26 02:47:44
● 2026-07-26 17:20:06

●NSjohnathan.ns.cloudflare.com2026-03-26 → 2026-07-26 · 3 obs

○ 2018-01-20 00:29:18
● 2026-03-26 02:47:44
● 2026-07-26 17:20:06

○NSns1.gratisdns.dk2008-11-22 → 2018-01-20 · 4 obs

● 2008-11-22 22:20:58
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

○NSns2.gratisdns.dk2008-11-22 → 2018-01-20 · 4 obs

● 2008-11-22 22:20:58
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

○NSns3.gratisdns.dk2008-11-22 → 2018-01-20 · 4 obs

● 2008-11-22 22:20:58
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

○NSns4.gratisdns.dk2008-11-22 → 2018-01-20 · 4 obs

● 2008-11-22 22:20:58
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

○NSns5.gratisdns.dk2008-11-22 → 2018-01-20 · 4 obs

● 2008-11-22 22:20:58
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

●MXalt1.aspmx.l.google.com2015-07-17 → 2026-07-26 · 3 obs

○ 2008-11-22 22:20:58
● 2015-07-17 15:21:28
● 2026-07-26 17:20:06

●MXalt2.aspmx.l.google.com2015-07-17 → 2026-07-26 · 3 obs

○ 2008-11-22 22:20:58
● 2015-07-17 15:21:28
● 2026-07-26 17:20:06

●MXaspmx.l.google.com2015-07-17 → 2026-07-26 · 3 obs

○ 2008-11-22 22:20:58
● 2015-07-17 15:21:28
● 2026-07-26 17:20:06

●MXaspmx2.googlemail.com2015-07-17 → 2026-07-26 · 3 obs

○ 2008-11-22 22:20:58
● 2015-07-17 15:21:28
● 2026-07-26 17:20:06

●MXaspmx3.googlemail.com2015-07-17 → 2026-07-26 · 3 obs

○ 2008-11-22 22:20:58
● 2015-07-17 15:21:28
● 2026-07-26 17:20:06

○MXmail.critech.dk2008-11-22 → 2008-11-22 · 3 obs

● 2008-11-22 22:20:58
○ 2015-07-17 15:21:28
○ 2026-07-26 17:20:06

○A136.243.177.1172016-04-21 → 2016-04-30 · 5 obs

○ 2016-02-08 05:21:04
● 2016-04-21 23:31:42
● 2016-04-30 14:21:52
○ 2017-01-11 19:52:36
○ 2026-07-26 17:20:06

○A136.243.177.982017-01-11 → 2018-01-20 · 5 obs

○ 2016-04-30 14:21:52
● 2017-01-11 19:52:36
● 2018-01-20 00:29:18
○ 2026-03-26 02:47:44
○ 2026-07-26 17:20:06

○A193.47.81.472008-11-22 → 2008-11-22 · 3 obs

● 2008-11-22 22:20:58
○ 2015-07-17 15:21:28
○ 2026-07-26 17:20:06

○A88.198.32.1232016-02-08 → 2016-02-08 · 4 obs

○ 2015-07-17 15:21:28
● 2016-02-08 05:21:04
○ 2016-04-21 23:31:42
○ 2026-07-26 17:20:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
critech.dk	isla.ns.cloudflare.com, johnathan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.119

NS records: isla.ns.cloudflare.com, johnathan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for critech.dk (unsigned zone)

⏱️ Timing

Total: 622ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`isla.ns.cloudflare.com, johnathan.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	3	`MS=426C2A6769AAE17FC0FE23CD791757276698E, google-site-verification=hc-mT6Xt_9hTomU...`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

critech.dk uses two name servers for its delegation: isla.ns.cloudflare.com and johnathan.ns.cloudflare.com.

The name server configuration of critech.dk is shared with other domains, for instance compassmineralsbargaining.ca, elregning.dk, holdingbiz.com and two others.

critech.dk has at least partial name server overlap with other domains, such as techshroom.com, nouadibou.info, sac-banane-style.fr and two others.

It is common to find these name servers paired with the name servers jo.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname isla.ns.cloudflare.com directs to 108.162.192.119, 172.64.32.119 and 173.245.58.119 along with 3 other IP addresses.

Hostname johnathan.ns.cloudflare.com directs to 108.162.195.44, 162.159.44.44 and 172.64.35.44 along with 3 other IP addresses.

Mail Servers

Mail for critech.dk is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by critech.dk are shared with other domains: pinkqueen.com, opulism.com, ns500758.ns500759.ns500758.ns500759.ns500758.ns500736.ns500698.ns500698.ns500735.ns500735.ns500708.ns500698.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com directs traffic to 64.233.180.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.26 IP addresses each.