skm.dk

📜 Historical scan 2026-09-14 16:18:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skm.dk is a .dk domain served by 6 nameservers (df-ns01.skat.dk, df-ns02.skat.dk, df-ns03.skat.dk and 3 more). It was registered on 3 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.104 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by skm-dk.i-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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#

6 records 118ms

Nameserver	IP addresses	PTR	ASN / ISP
df-ns01.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns02.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
df-ns03.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns04.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
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#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.104	300s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records#

1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	skm-dk.i-v1.mx.microsoft	2a01:111:f403:c967::a 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 52.101.103.137 52.101.185.21 52.101.68.27 52.101.68.29	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.178.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 377ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	5	10	5061	sip.skm.dk

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.skm.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com

📬 MTA-STS#

296ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20190601000000Z
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@in.mailhardener.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 16:00:26

www CNAME	skm-prod-g8hxcqffc5abfcfw.a02.azurefd.net (all on azurefd.net) → 150.171.109.193 2603:1061:14:c0::1 (AS8075)
www vs bare domain	Same network skm.dk: 150.171.109.194 (AS8075) www.skm.dk: 150.171.109.193 2603:1061:14:c0::1 (AS8075)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records 281ms

Service / Owner	Type	Cert association
SMTP _25._tcp.skm-dk.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.skm-dk.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.skm-dk.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.skm-dk.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

192ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026100958
Primary NS (MNAME)	df-ns01.skat.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 16:32:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-03
Expires	2027-07-31 (283d)

🔗 Same registrant#

107 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
administrationsogservicestyrelsen.dk	Punktum dk A/S (direct)
adst.dk	Punktum dk A/S (direct)
bankoregler.dk	Punktum dk A/S (direct)
bbr.dk	Punktum dk A/S (direct)
boligskat2024.dk	Punktum dk A/S (direct)
boligskat24.dk	Punktum dk A/S (direct)
bygningsogboligregistret.dk	Punktum dk A/S (direct)
ccta.dk	A/S SCANNET
dagsbevis.dk	Punktum dk A/S (direct)
danishgamblingauthority.dk	Punktum dk A/S (direct)
del-en-ting.dk	Punktum dk A/S (direct)
dinveteranbil.dk	Punktum dk A/S (direct)
e-skat.dk	Punktum dk A/S (direct)
eindkomst.dk	Punktum dk A/S (direct)
ejendomsinformation.dk	Punktum dk A/S (direct)
ejendomsvurderingsportal.dk	Punktum dk A/S (direct)
ejendomsvurderingsportalen.dk	Punktum dk A/S (direct)
fds.dk	Punktum dk A/S (direct)
fordringshaverportal.dk	Punktum dk A/S (direct)
forskud.dk	Punktum dk A/S (direct)
gaeldsstyrelsen.dk	Punktum dk A/S (direct)
gaeldst.dk	Punktum dk A/S (direct)
gaeldstyrelsen.dk	Punktum dk A/S (direct)
geokoderen.dk	Punktum dk A/S (direct)
gældsstyrelsen.dk	Punktum dk A/S (direct)
gældst.dk	Punktum dk A/S (direct)
icesys.dk	Punktum dk A/S (direct)
inddr.dk	Punktum dk A/S (direct)
it-stat.dk	Punktum dk A/S (direct)
itstat.dk	Punktum dk A/S (direct)
itti.dk	Punktum dk A/S (direct)
letloen.dk	Punktum dk A/S (direct)
letlon.dk	Punktum dk A/S (direct)
letlontest.dk	Punktum dk A/S (direct)
letløn.dk	Punktum dk A/S (direct)
lotteriregler.dk	Punktum dk A/S (direct)
ludomanilinjen.dk	Punktum dk A/S (direct)
min-skat.dk	Punktum dk A/S (direct)
minfoerstebil.dk	Punktum dk A/S (direct)
mitgaeldsoverblik.dk	Punktum dk A/S (direct)
mitgældsoverblik.dk	Punktum dk A/S (direct)
motorst.dk	Punktum dk A/S (direct)
motorstyrelsen.dk	Punktum dk A/S (direct)
nem-skat.dk	Punktum dk A/S (direct)
nummerplader.dk	Punktum dk A/S (direct)
ois.dk	Punktum dk A/S (direct)
rejseregler.dk	Punktum dk A/S (direct)
ret-bbr.dk	Punktum dk A/S (direct)
retbbr.dk	Punktum dk A/S (direct)
retvisende-ejendomsvurdering.dk	Punktum dk A/S (direct)
retvisende-ejendomsvurderinger.dk	Punktum dk A/S (direct)
retvisendeejendomsvurdering.dk	Punktum dk A/S (direct)
retvisendeejendomsvurderinger.dk	Punktum dk A/S (direct)
skaat.dk	Punktum dk A/S (direct)
skat.dk	Punktum dk A/S (direct)
skatt.dk	Punktum dk A/S (direct)
skatte-ogvaekstministeriet.dk	Punktum dk A/S (direct)
skatte-ogvækstministeriet.dk	Punktum dk A/S (direct)
skatteforvaltningen.dk	Punktum dk A/S (direct)
skatteministeriet.dk	Punktum dk A/S (direct)
skatteogvaekstministeriet.dk	Punktum dk A/S (direct)
skatteogvækstministeriet.dk	Punktum dk A/S (direct)
skatterådet.dk	Punktum dk A/S (direct)
skattestyrelsen.dk	Punktum dk A/S (direct)
skattevaesnet.dk	Punktum dk A/S (direct)
skattevæsnet.dk	Punktum dk A/S (direct)
sktst.dk	Punktum dk A/S (direct)
skvm.dk	Punktum dk A/S (direct)
spillemyndigheden.dk	Punktum dk A/S (direct)
spillemyndighederne.dk	Punktum dk A/S (direct)
spillestyrelsen.dk	Punktum dk A/S (direct)
spilletilsynet.dk	Punktum dk A/S (direct)
splitstruktur.dk	Punktum dk A/S (direct)
statens-inkasso.dk	Punktum dk A/S (direct)
stopspillet.dk	Punktum dk A/S (direct)
styrpaaspillet.dk	Punktum dk A/S (direct)
styrpaspillet.dk	Punktum dk A/S (direct)
svmin.dk	Punktum dk A/S (direct)
svministeriet.dk	Punktum dk A/S (direct)
svmn.dk	Punktum dk A/S (direct)
tastselvskat.dk	Punktum dk A/S (direct)
tjektolden.dk	Punktum dk A/S (direct)
toldogskat.dk	Punktum dk A/S (direct)
toldportal.dk	Punktum dk A/S (direct)
toldportalen.dk	Punktum dk A/S (direct)
toldskat.dk	Punktum dk A/S (direct)
toldst.dk	Punktum dk A/S (direct)
toldstyrelsen.dk	Punktum dk A/S (direct)
toldsystem.dk	Punktum dk A/S (direct)
toldsystemet.dk	Punktum dk A/S (direct)
toolchain.dk	Punktum dk A/S (direct)
tredjenummerplade.dk	Punktum dk A/S (direct)
tsroot.dk	Punktum dk A/S (direct)
udviklingsogforenklingsstyrelsen.dk	Punktum dk A/S (direct)
ufst.dk	Punktum dk A/S (direct)
ufstcluster.dk	Punktum dk A/S (direct)
ufstlab.dk	Punktum dk A/S (direct)
undgaaprischok.dk	Punktum dk A/S (direct)
undgåprischok.dk	Punktum dk A/S (direct)
vurderingportalen.dk	Punktum dk A/S (direct)

Showing 100 of 107.

📋 WHOIS#

⏱️ Lookup Timing#

118ms

116ms

95ms

AAAA

96ms

TXT

427ms

CAA

104ms

HTTPS

99ms

TLSA

281ms

SOA

0ms

MTA-STS

296ms

DNSSEC

192ms

SRV

377ms

Total

5959ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 16:00:26	2705ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-18 13:52:14	1118ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-17 13:20:20	6593ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-16 12:13:04	2729ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-15 11:53:57	2006ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-14 07:36:02	2400ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-13 06:10:05	3471ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-12 04:26:28	1905ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-11 03:22:00	6737ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-10 02:22:58	922ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-08 22:03:56	1219ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-07 21:53:24	3108ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-06 21:51:10	530ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-05 20:39:17	1148ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-04 20:24:58	2245ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-03 20:14:32	619ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-02 20:13:49	3080ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-01 20:11:59	1502ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:05:12	972ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:19:33	994ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-28 20:07:32	1067ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-27 19:48:28	1020ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-26 19:32:15	1190ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:07:24	759ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:41:45	1176ms	6 NS 1 A 1 MX	🔒 Secure