kosei.dk DNS records

🖥️ Nameservers5 records 283ms

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	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 44ms

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	kosei.dk → 46.183.138.100
🔶 Autoconfig	kosei.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 228ms

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

📝 TXT Records2 records 209ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kosei.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.kosei.dk	kosei.dk

🔗 TLSA / DANE

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

🔐 DNSSEC282ms

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@kosei.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

283ms

A

188ms

MX

44ms

AAAA

185ms

TXT

209ms

CAA

203ms

HTTPS

286ms

TLSA

51ms

SOA

0ms

MTA-STS

45ms

DNSSEC

282ms

SRV

228ms

Total

775ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-05 05:33:51	775ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 21:49:06	731ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-26 20:49:50	9673ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 10:23:21	1789ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 09:18:48	1372ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 16:42:01	1498ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 12:21:08	1304ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 02:52:38	1358ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-17 00:46:09	826ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-12 08:32:40	1161ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 17:35:56	962ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 05:02:19	6296ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 21:37:11	1145ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:06:39	600ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 10:57:05	1905ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 15:25:18	1197ms	5 NS 1 A 3 MX	🔓 Insecure	View