gladundervisning.dk

📜 Historical scan 2026-06-17 09:48:18 · ← 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 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	—	—	—
ns2.dandomain.dk	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	—	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 174ms

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#

211ms

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

🏷️ SOA#

70ms

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#

70ms

72ms

70ms

AAAA

70ms

TXT

174ms

CAA

83ms

HTTPS

67ms

TLSA

51ms

SOA

70ms

MTA-STS

54ms

DNSSEC

211ms

SRV

0ms

Total

490ms

🕐 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	551ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 09:48:18 shown	490ms	2 NS 0 A 1 MX	🔒 Secure