cosit.dk DNS records

🖥️ Nameservers5 records 45ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records2 records 39ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cosit.dk → 46.183.138.100
🔶 Autoconfig	cosit.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 149ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cosit.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.cosit.dk	cosit.dk

🔗 TLSA / DANE

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

🔐 DNSSEC115ms

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	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@cosit.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

45ms

A

47ms

MX

39ms

AAAA

175ms

TXT

149ms

CAA

31ms

HTTPS

175ms

TLSA

38ms

SOA

0ms

MTA-STS

190ms

DNSSEC

115ms

SRV

218ms

Total

892ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 01:43:03	892ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-27 14:05:43	900ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-21 02:13:33	1763ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-13 09:46:40	24812ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-07 05:02:00	10035ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-08-03 10:07:20	1226ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 05:38:28	1062ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-07-17 13:53:30	1513ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-07-09 04:24:39	1696ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-07-03 19:27:53	1264ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-25 15:20:14	1266ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-25 01:27:02	2422ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 02:04:06	1123ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 14:07:30	697ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 22:33:13	1700ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 22:30:22	500ms	5 NS 1 A 2 MX	🔓 Insecure	View