sfkos.dk DNS records

🖥️ Nameservers5 records 35ms

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 277ms

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 183ms

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	sfkos.dk → 46.183.138.100
🔶 Autoconfig	sfkos.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 208ms

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

Policy	Record (_dmarc.sfkos.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.sfkos.dk	sfkos.dk

🔗 TLSA / DANE

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

🔐 DNSSEC249ms

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@sfkos.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

35ms

A

277ms

MX

183ms

AAAA

31ms

TXT

128ms

CAA

27ms

HTTPS

26ms

TLSA

39ms

SOA

0ms

MTA-STS

198ms

DNSSEC

249ms

SRV

208ms

Total

669ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 23:01:34	669ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 18:32:50	870ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 16:27:54	2196ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 02:23:26	10161ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-08 22:16:25	1063ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-01 16:49:01	17219ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 22:38:50	9003ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 13:15:40	1116ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 03:10:01	1223ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 14:49:31	905ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 16:53:02	821ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 13:21:19	3017ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-06-24 09:05:38	1151ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 01:07:10	1162ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:19:30	679ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 00:10:49	718ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 22:14:35	1670ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 12:17:37	556ms	5 NS 1 A 3 MX	🔓 Insecure	View