critech.dk

📜 Historical scan 2026-09-30 16:24:20  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

critech.dk is a .dk domain served by 2 nameservers (isla.ns.cloudflare.com, johnathan.ns.cloudflare.com). It was registered on 14 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms
NameserverIP addressesPTRASN / ISP
isla.ns.cloudflare.com 108.162.192.119
172.64.32.119
173.245.58.119
2606:4700:50::adf5:3a77
2803:f800:50::6ca2:c077
2a06:98c1:50::ac40:2077		 isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
johnathan.ns.cloudflare.com 108.162.195.44
162.159.44.44
172.64.35.44
2606:4700:58::a29f:2c2c
2803:f800:50::6ca2:c32c
2a06:98c1:50::ac40:232c		 johnathan.ns.cloudflare.com
johnathan.ns.cloudflare.com
johnathan.ns.cloudflare.com
johnathan.ns.cloudflare.com
johnathan.ns.cloudflare.com
johnathan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

🌍
No A records found

📧 MX Records#

5 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s aspmx.l.google.com 172.253.152.26
2a00:1450:4010:c07::1a
2a00:1450:4010:c07::1a		 yulpptr-in-f26.1e100.net
lf-in-f26.1e100.net
lf-in-x1a.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
20 300s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx2.googlemail.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx3.googlemail.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.48.237
🔶 Autoconfig104.21.48.237

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   194ms
TXT Record
google-site-verification=hc-mT6Xt_9hTomUkbqEU8Ixx4Ny...
MS=426C2A6769AAE17FC0FE23CD791757276698E416
v=spf1 include:_spf.google.com -all

✉️ SPF#

PolicyRecord (critech.dk)
-all (hard fail) v=spf1 include:_spf.google.com -all

📨 DMARC#

PolicyRecord (_dmarc.critech.dk)
p=reject v=DMARC1; p=reject; pct=100; aspf=s; adkim=s

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 16:04:07
www104.21.48.237 172.67.188.92 2606:4700:3031::ac43:bc5c 2606:4700:3036::6815:30ed (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

73ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

46ms
FieldValue
Serial2416192936
Primary NS (MNAME)isla.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 18:51:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-10-14
Expires2026-10-31 (14d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
strøm-ligning.dkONE.COM A/S
strømlignet.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
38ms
MX
53ms
AAAA
37ms
TXT
194ms
CAA
38ms
HTTPS
38ms
TLSA
73ms
SOA
46ms
MTA-STS
60ms
DNSSEC
73ms
SRV
79ms
Total
675ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 16:04:06 2767ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-08 07:09:56 645ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-30 16:24:20 shown 675ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-27 17:56:37 897ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-25 17:38:50 727ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-23 17:12:31 1772ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-21 06:01:47 776ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-16 20:42:28 1295ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-10 22:53:20 872ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-04 18:52:23 1247ms 2 NS 0 A 5 MX 🔓 Insecure
2026-09-03 23:07:20 602ms 2 NS 0 A 5 MX 🔓 Insecure
2026-08-23 11:46:28 3555ms 2 NS 0 A 5 MX 🔓 Insecure
2026-07-15 13:16:38 1363ms 2 NS 0 A 5 MX 🔓 Insecure
2026-06-26 18:06:41 2916ms 2 NS 0 A 5 MX 🔓 Insecure
2026-06-25 14:30:28 956ms 2 NS 0 A 5 MX 🔓 Insecure
2026-06-16 22:55:51 503ms 2 NS 0 A 5 MX 🔓 Insecure
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