skim.dk

📜 Historical scan 2026-10-07 14:40:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skim.dk is a .dk domain served by 2 nameservers (ns1-auth.csc.dk, ns2-auth.csc.dk). It was registered on 15 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-auth.csc.dk	147.29.236.25 2a01:5440:2:0:147:29:236:25	ns1-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk	147.29.238.25 2a01:5440:2:2000:147:29:238:25	ns2-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	28800s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 179ms

TXT Record
Sundheds-, Kirke- og Indenrigsminsteriet
v=spf1 -all

✉️ SPF#

Policy	Record (skim.dk)
-all (hard fail)	v=spf1 -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#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 11:13:34

www CNAME	www.skim.dk.edgekey.net (all on edgekey.net) → 95.100.155.193 95.100.155.218 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: 95.100.155.193 95.100.155.218 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

46ms

Field	Value
Serial	2026100604
Primary NS (MNAME)	ns-master.csc.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	600s

📋 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 (236d)

🔗 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#

31ms

45ms

AAAA

33ms

TXT

179ms

CAA

46ms

HTTPS

47ms

TLSA

43ms

SOA

46ms

MTA-STS

61ms

DNSSEC

120ms

SRV

65ms

Total

589ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 11:13:34	1117ms	2 NS 2 A 8 MX	🔒 Secure
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	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 shown	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