tecklab.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
craig.ns.cloudflare.com	108.162.195.192 162.159.44.192 172.64.35.192 2606:4700:58::a29f:2cc0 2803:f800:50::6ca2:c3c0 2a06:98c1:50::ac40:23c0	craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maria.ns.cloudflare.com	108.162.192.192 172.64.32.192 173.245.58.192 2606:4700:50::adf5:3ac0 2803:f800:50::6ca2:c0c0 2a06:98c1:50::ac40:20c0	maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.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 Records2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 200ms

TXT Record
protonmail-verification=144ee579c9590add4a2c6fc98ec0deee7ac54f45
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (tecklab.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.tecklab.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC77ms

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

🏷️ SOA0ms

Field	Value
Serial	2413861921
Primary NS (MNAME)	craig.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

54ms

A

2049ms

MX

49ms

AAAA

42ms

TXT

200ms

CAA

44ms

HTTPS

48ms

TLSA

81ms

SOA

0ms

MTA-STS

61ms

DNSSEC

77ms

SRV

71ms

Total

2518ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 22:29:55	2518ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-22 15:20:13	10162ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-08 19:38:41	3115ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-11 21:46:29	1381ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-06 20:34:34	9710ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-25 23:33:25	818ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-22 23:39:18	988ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:42:02	824ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 13:50:22	2702ms	2 NS 0 A 2 MX	🔓 Insecure	View