gladundervisning.dk

📜 Historical scan 2026-07-02 00:22:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gladundervisning.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 13 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by backupmail.gullestrupnet.dk. The zone is DNSSEC-signed and validates, has no 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	3600s	backupmail.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 117ms

TXT Record
v=spf1 ip4:213.173.228.64/27 ip4:89.249.3.0/24 ip4:213.173.228.128/25 a mx -all

✉️ SPF#

Policy	Record (gladundervisning.dk)
-all (hard fail)	v=spf1 ip4:213.173.228.64/27 ip4:89.249.3.0/24 ip4:213.173.228.128/25 a mx -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 15:36:56

www	NXDOMAIN
www vs bare domain	Neither resolves gladundervisning.dk: no address www.gladundervisning.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

31ms

Field	Value
Serial	2020052802
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 08:31:07

Field	Value
Registrar	DANDOMAIN A/S
Registered	2003-11-13
Expires	2026-11-30 (38d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

28ms

48ms

AAAA

34ms

TXT

117ms

CAA

48ms

HTTPS

48ms

TLSA

97ms

SOA

31ms

MTA-STS

57ms

DNSSEC

59ms

SRV

29ms

Total

551ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:14:47	441ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 19:03:07	480ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-03 11:46:58	499ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-02 00:22:10 shown	551ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 09:48:18	490ms	2 NS 0 A 1 MX	🔒 Secure