specialkurser.dk DNS records

🖥️ Nameservers5 records 60ms

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 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3599s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 58ms

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	specialkurser.dk → 46.183.138.100
🔶 Autoconfig	specialkurser.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 318ms

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

📝 TXT Records2 records 259ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (specialkurser.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.specialkurser.dk)
p=reject	v=DMARC1; p=reject;

📬 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.specialkurser.dk	specialkurser.dk

🔗 TLSA / DANE

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

🔐 DNSSEC225ms

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@specialkurser.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-03 18:09:07

Field	Value
Registrar	GIGAHOST ApS
Registered	2025-02-03
Expires	2027-02-02 (148d)

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

188ms

MX

58ms

AAAA

187ms

TXT

259ms

CAA

52ms

HTTPS

60ms

TLSA

67ms

SOA

0ms

MTA-STS

58ms

DNSSEC

225ms

SRV

318ms

Total

897ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:58:39	897ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 02:47:38	687ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-26 02:21:06	1982ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 08:27:40	1139ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 00:41:20	4289ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 21:10:07	1127ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 19:14:18	9949ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 03:31:15	17195ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 20:39:06	1417ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 18:08:52	1112ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 08:28:49	1777ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 23:36:56	772ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 05:29:54	2562ms	5 NS 1 A 3 MX	⚠️ Bogus	View