skat.dk

📜 Historical scan 2026-10-18 19:31:29 · ← 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 150.171.109.193 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 41ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.193	60s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	skat-dk.e-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 52.101.103.36 52.101.181.156 52.101.68.12 52.101.73.145	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 100ms

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

📝 TXT Records#

7 records 164ms

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#

205ms

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#

5 records 354ms

Service / Owner	Type	Cert association
SMTP _25._tcp.skat-dk.e-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.skat-dk.e-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.skat-dk.e-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	CFD68BDE4129C00A2402C21C0916EDF0…
SMTP _25._tcp.skat-dk.e-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.skat-dk.e-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC#

112ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026119879
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#

41ms

40ms

37ms

AAAA

31ms

TXT

164ms

CAA

30ms

HTTPS

33ms

TLSA

354ms

SOA

45ms

MTA-STS

205ms

DNSSEC

112ms

SRV

100ms

Total

1172ms

🕐 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 shown	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