critech.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / 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 Records5 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	aspmx.l.google.com	142.250.147.26 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b	rd-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4008:c01::1b	so-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4008:c01::1a	so-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	188.114.96.1
🔶 Autoconfig	172.67.188.92

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 173ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_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

🔗 TLSA / DANE

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

🔐 DNSSEC62ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA40ms

Field	Value
Serial	2405632596
Primary NS (MNAME)	isla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

35ms

MX

67ms

AAAA

37ms

TXT

173ms

CAA

43ms

HTTPS

34ms

TLSA

82ms

SOA

40ms

MTA-STS

56ms

DNSSEC

62ms

SRV

95ms

Total

956ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 11:46:28	3555ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-07-15 13:16:38	1363ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-26 18:06:41	2916ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-25 14:30:28	956ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-16 22:55:51	503ms	2 NS 0 A 5 MX	🔓 Insecure	View