skat.dk

📜 Historical scan 2026-08-11 01:29:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skat.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 22 April 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.36 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by skat-dk.e-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 49ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.36	60s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	skat-dk.e-v1.mx.microsoft	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 4061ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sipfed.online.lync.com

📝 TXT Records#

7 records 179ms

TXT Record
_globalsign-domain-verification=SDO1mi3Vhsk0V1ROq6Ti13bgOoz0bORtTA_Mwimp9N
6pnkQeO2KpskXIsNNabjYMKmEfl0jq5yfHMZxu3OAzw=
apple-domain-verification=w1x2I7SOS2RhFAY4
google-site-verification=6bJBWCLiBTyiYQHYSoHwYBLMa35bPu7sKtDpRoi-Zz4
MS=ms89961653
SKAT
v=spf1 ip4:147.29.109.227 ip4:147.29.150.227 ip4:85.119.135.105 ip4:85.119.135.96 ip4:147.29.27.196 ip4:185.150.75.24 ip4:207.54.71.162 ip4:207.54.72.99 ip6:2620:101:2011:300::1a ip6:2620:101:2012:300::1a include:spf.protection.outlook.com include:_spf.operate.skat.dk -all

✉️ SPF#

Policy	Record (skat.dk)
-all (hard fail)	v=spf1 ip4:147.29.109.227 ip4:147.29.150.227 ip4:85.119.135.105 ip4:85.119.135.96 ip4:147.29.27.196 ip4:185.150.75.24 ip4:207.54.71.162 ip4:207.54.72.99 ip6:2620:101:2011:300::1a ip6:2620:101:2012:300::1a include:spf.protection.outlook.com include:_spf.operate.skat.dk -all

📨 DMARC#

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

📬 MTA-STS#

2243ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190601000000Z
max_age	1209600s
Policy MX	skat-dk.e-v1.mx.microsoft

📈 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 20:28:50

www CNAME	skat-prod-c5dudma0f0g0b5ht.a02.azurefd.net (all on azurefd.net) → 150.171.109.194 2603:1061:14:c0::1 (AS8075)
www vs bare domain	Same network skat.dk: 150.171.109.194 (AS8075) www.skat.dk: 150.171.109.194 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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9093ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026095615
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 2026-10-12 11:25:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-04-22
Expires	2029-07-31 (1014d)

🔗 Same registrant#

106 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)
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)
skm.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)
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)
vurderings-portalen.dk	Punktum dk A/S (direct)

Showing 100 of 106.

📋 WHOIS#

⏱️ Lookup Timing#

49ms

34ms

38ms

AAAA

39ms

TXT

179ms

CAA

2052ms

HTTPS

62ms

TLSA

4093ms

SOA

0ms

MTA-STS

2243ms

DNSSEC

9093ms

SRV

4061ms

Total

14090ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 20:28:50	2614ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-18 19:31:29	1172ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-17 18:42:15	1654ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-16 17:26:49	2084ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-15 15:22:05	652ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-14 14:54:31	2504ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-13 13:36:36	864ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-12 10:59:57	2274ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-11 08:31:21	673ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-09 22:55:12	1317ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-08 11:52:18	1436ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-07 11:44:23	600ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-06 05:57:12	3999ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-05 05:33:18	2640ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-04 05:25:39	599ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-03 05:25:16	2592ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-02 05:22:43	2673ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:07:47	581ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:51:57	1094ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-30 03:47:36	1141ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-29 03:42:57	846ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-28 03:26:49	1133ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-27 03:01:30	1311ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-26 02:37:05	2093ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-25 02:13:38	1471ms	6 NS 1 A 1 MX	🔒 Secure