sfs.dk DNS records

🖥️ Nameservers2 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records2 records 214ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.232.147.252	3600s	172-232-147-252.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.232.128.0/17	🇸🇪 Sweden	Stockholm
172.233.57.17	3600s	172-233-57-17.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.233.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 69ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:3c09::f03c:94ff:fed1:f1bb	3600s	—	AS63949	Akamai Connected Cloud	2600:3c08:0:0:0:0:0:0/30	🇸🇪 Sweden	Stockholm
2600:3c0e::f03c:94ff:fed1:4ea	3600s	—	AS63949	Akamai Connected Cloud	2600:3c0e:0:0:0:0:0:0/32	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 558ms

TXT Record
v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 -all

✉️ SPF

Policy	Record (sfs.dk)
-all (hard fail)	v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 -all

📨 DMARC

Policy	Record (_dmarc.sfs.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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
TXT	_acme-challenge.sfs.dk	JA94N1PWpZNB7AgHL0Fe0xlW-4xZNhKf5lXJVGsmRME

🔗 TLSA / DANE

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

🔐 DNSSEC268ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2019066407
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

214ms

MX

63ms

AAAA

69ms

TXT

558ms

CAA

214ms

HTTPS

74ms

TLSA

713ms

SOA

0ms

MTA-STS

143ms

DNSSEC

268ms

SRV

324ms

Total

1693ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:33:31	1693ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-28 16:50:13	17546ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-27 13:16:12	18096ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-26 12:47:50	5813ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-24 18:49:28	6737ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-23 17:31:07	2548ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-22 14:54:40	9861ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-21 14:43:14	6953ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 14:34:44	2220ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-19 07:01:15	28953ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-18 06:02:45	5746ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-17 05:02:55	5820ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-16 00:32:45	1565ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 16:59:30	6808ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-13 01:11:11	7245ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-11 02:53:44	5868ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 17:17:17	3364ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-06 17:14:05	12080ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-04 01:48:34	3421ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-31 03:09:27	17341ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-28 05:00:31	24926ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-27 04:39:18	13832ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-26 04:07:48	17544ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-25 03:45:11	17544ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-24 02:28:22	25445ms	2 NS 2 A 0 MX	🔒 Secure	View