skm.dk DNS records

🖥️ Nameservers6 records 251ms

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 Records2 records 318ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.107.213.53	120s	—	AS8075	Microsoft Corporation	13.107.192.0/19	🇺🇸 United States	—
13.107.246.53	120s	—	AS8075	Microsoft Corporation	13.107.240.0/21	🇺🇸 United States	—

📧 MX Records1 records 334ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	skm-dk.i-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 52.101.68.12 52.101.68.25 52.101.68.32 52.101.73.24	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 376ms

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

📝 TXT Records7 records 623ms

TXT Record
_globalsign-domain-verification=vuIw42JZt_ZLVjYdghx1aptGfdYGZ1MnQzSbcoVXaF
google-site-verification=jJkrpxKpxN7qgU8cYbCFVbVJmCgqgJn1dtSXOo5XyQM
MS=ms38310978
SKAT
skatteforvaltningen.azurewebsites.net
Skatteministeriet
v=spf1 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.anpdm.com -all

✉️ SPF

Policy	Record (skm.dk)
-all (hard fail)	v=spf1 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.anpdm.com -all

📨 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-STS640ms

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

📈 TLSRPT

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

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE4 records 256ms

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

🔐 DNSSEC533ms

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

🏷️ SOA0ms

Field	Value
Serial	2026097084
Primary NS (MNAME)	df-ns01.skat.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

251ms

A

318ms

MX

334ms

AAAA

256ms

TXT

623ms

CAA

296ms

HTTPS

288ms

TLSA

256ms

SOA

0ms

MTA-STS

640ms

DNSSEC

533ms

SRV

376ms

Total

2767ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:43:18	2767ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-29 18:38:21	8692ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-27 14:58:06	3524ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-26 14:54:07	799ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-24 20:00:42	1244ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-23 16:43:03	3787ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-22 15:45:22	1499ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-21 15:38:26	4706ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-20 15:34:08	9049ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-19 07:15:02	11339ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-15 10:32:56	12481ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-14 00:52:07	2825ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 20:37:02	3795ms	6 NS 2 A 1 MX	🔒 Secure	View
2026-08-11 01:08:39	1410ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 06:20:54	1570ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 08:39:25	1468ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 13:30:57	10569ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 21:22:44	7852ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 02:46:19	1736ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 02:36:31	1785ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 02:22:53	3679ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 01:59:41	5503ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 01:28:04	1828ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 00:50:32	11513ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 01:51:14	1631ms	6 NS 1 A 1 MX	🔒 Secure	View