skim.dk

📜 Historical scan 2026-10-17 07:36:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skim.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 15 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.232.147.252 is hosted by Akamai Connected Cloud (AS63949) in Sweden. Mail is handled by mx01.statens-it.dk, mx02.statens-it.dk and 6 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 87ms

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 Records#

2 records 204ms

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#

8 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	600s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	600s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	600s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	600s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	600s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	600s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	600s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

🔷 AAAA Records (IPv6)#

2 records 87ms

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

🔌 SRV Records#

1 records 393ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.statens-it.dk

📝 TXT Records#

1 records 703ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.skim.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#

Status	Report address (rua)
✓ Enabled	mailto:tcod1eh2@tls.eu.dmarcadvisor.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 08:51:33

www CNAME	www.skim.dk.edgekey.net (all on edgekey.net) → 2.23.172.171 2.23.172.176 2a02:26f0:3b::5f64:9bc1 2a02:26f0:3b::5f64:9bda (AS20940)
www vs bare domain	Different networks skim.dk: 172.232.147.252 172.233.57.17 2600:3c09::f03c:94ff:fed1:f1bb 2600:3c0e::f03c:94ff:fed1:4ea (AS63949) www.skim.dk: 2.23.172.171 2.23.172.176 2a02:26f0:3b::5f64:9bc1 2a02:26f0:3b::5f64:9bda (AS20940) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 4-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.skim.dk	_acme-challenge.skim.dk.acme.gopublic.dk
TXT	_acme-challenge.skim.dk.acme.gopublic.dk	SflBE1WouAyQkjCoDEujXlBcs00SSPROSxuLjw_NZCk

🔗 TLSA / DANE#

16 records 446ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…

🔐 DNSSEC#

251ms

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

🏷️ SOA#

89ms

Field	Value
Serial	92
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	900s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 08:11:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-06-15
Expires	2027-06-14 (237d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
epidemikommission.dk	Punktum dk A/S (direct)
epidemikommissionen.dk	Punktum dk A/S (direct)
nationalemaal.dk	Punktum dk A/S (direct)
nationalemål.dk	Punktum dk A/S (direct)
sum.dk	Punktum dk A/S (direct)
sundhedsministeriet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

87ms

204ms

80ms

AAAA

87ms

TXT

703ms

CAA

87ms

HTTPS

90ms

TLSA

446ms

SOA

89ms

MTA-STS

150ms

DNSSEC

251ms

SRV

393ms

Total

2329ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 08:51:33	11667ms	2 NS 2 A 8 MX	🔒 Secure
2026-10-18 08:08:50	1832ms	2 NS 2 A 8 MX	🔒 Secure
2026-10-17 07:36:18 shown	2329ms	2 NS 2 A 8 MX	🔒 Secure
2026-10-16 06:13:49	20585ms	2 NS 2 A 8 MX	🔒 Secure
2026-10-15 04:17:37	1094ms	2 NS 2 A 8 MX	🔒 Secure
2026-10-14 03:58:36	11474ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-13 00:46:18	6765ms	2 NS 1 A 8 MX	🔓 Insecure
2026-10-11 22:04:40	5113ms	2 NS 1 A 8 MX	🔓 Insecure
2026-10-10 21:45:57	18993ms	2 NS 1 A 8 MX	🔓 Insecure
2026-10-09 20:14:41	9723ms	2 NS 1 A 8 MX	🔓 Insecure
2026-10-08 14:48:28	17788ms	2 NS 1 A 8 MX	🔓 Insecure
2026-10-07 14:40:08	589ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-05 04:02:19	1123ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 03:27:51	481ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 03:26:18	391ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 03:44:42	816ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 02:14:04	454ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 22:09:24	593ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-20 05:16:56	1080ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-17 04:49:46	940ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-10 03:33:10	1797ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-03 16:56:44	1407ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 12:02:06	338ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-22 09:35:03	2194ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-18 04:00:17	2771ms	2 NS 0 A 1 MX	🔒 Secure