itfjernundervisning.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
lars.ns.cloudflare.com	108.162.193.195 172.64.33.195 173.245.59.195 2606:4700:58::adf5:3bc3 2803:f800:50::6ca2:c1c3 2a06:98c1:50::ac40:21c3	lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com	108.162.192.208 172.64.32.208 173.245.58.208 2606:4700:50::adf5:3ad0 2803:f800:50::6ca2:c0d0 2a06:98c1:50::ac40:20d0	naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.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 Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.scientdata.dk	91.98.102.141	mail.scientdata.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.scientdata.dk → 91.98.102.141
🔶 Autoconfig	mail.scientdata.dk → 91.98.102.141

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	mail.scientdata.dk

📝 TXT Records1 records 187ms

TXT Record
v=spf1 mx ~all

✉️ SPF

Policy	Record (itfjernundervisning.dk)
~all (soft fail)	v=spf1 mx ~all

📨 DMARC

Policy	Record (_dmarc.itfjernundervisning.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC106ms

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	2412864588
Primary NS (MNAME)	lars.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

62ms

A

33ms

MX

56ms

AAAA

50ms

TXT

187ms

CAA

48ms

HTTPS

67ms

TLSA

59ms

SOA

0ms

MTA-STS

84ms

DNSSEC

106ms

SRV

76ms

Total

757ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:15:21	757ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-22 09:30:35	8057ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-21 09:18:07	1725ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-12 13:59:35	2868ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-20 21:30:35	9308ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-27 00:30:41	1378ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 18:50:19	11183ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 16:12:39	1183ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 14:41:36	881ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 12:17:00	1092ms	2 NS 1 A 1 MX	🔓 Insecure	View