undervisning-og-guider.dk DNS records

🖥️ Nameservers5 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.217	3600s	217.giga-ptr.232.116.217.in-addr.arpa web17.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	undervisning-og-guider.dk → 217.116.232.217
🔶 Autoconfig	undervisning-og-guider.dk → 217.116.232.217

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 248ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.undervisning-og-guider.dk	undervisning-og-guider.dk

🔗 TLSA / DANE

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

🔐 DNSSEC131ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@undervisning-og-guider.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

58ms

MX

50ms

AAAA

57ms

TXT

337ms

CAA

177ms

HTTPS

174ms

TLSA

40ms

SOA

0ms

MTA-STS

62ms

DNSSEC

131ms

SRV

248ms

Total

761ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:09:51	761ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 13:36:45	6847ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-16 19:40:40	10059ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 08:04:47	1202ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-01 01:35:32	1186ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 03:24:31	2749ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 10:16:00	1575ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-12 21:44:20	1355ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 10:14:19	2830ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-30 23:26:06	1005ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-28 14:18:54	964ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 05:41:17	3623ms	5 NS 1 A 3 MX	🔓 Insecure	View