virksom.dk DNS records

🖥️ Nameservers2 records 62ms

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 Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.44.137.92	28800s	—	AS3292	TDC Holding A/S	5.44.136.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	virksom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::c 2a01:111:f403:ca48::c 52.101.68.0 52.101.68.36 52.101.73.153 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 86ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.lederne.dk

📝 TXT Records6 records 212ms

TXT Record
_eb4t1vranav4r8n9dml7rnqvu225azm
facebook-domain-verification=pp7wy2b97nc2w53bisuvpuzffwvqtp
L1AG9YDZ7RCJACFI61ijsekHsnAGsvA2j+ajUJpeA4+Sc0QZE4o0230iuOWzwaNxPGBJxyJKqf5oDeZLqOGIOA==
Ledernes Hovedorganisation
MS=ms93124737
v=spf1 mx ip4:5.44.137.222 include:musvc.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (virksom.dk)
~all (soft fail)	v=spf1 mx ip4:5.44.137.222 include:musvc.com include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.virksom.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026021802
Primary NS (MNAME)	ns-master.csc.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

51ms

MX

50ms

AAAA

40ms

TXT

212ms

CAA

56ms

HTTPS

72ms

TLSA

4034ms

SOA

0ms

MTA-STS

80ms

DNSSEC

125ms

SRV

86ms

Total

4680ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:24:40	4680ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 18:57:31	1005ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 08:44:48	3794ms	2 NS 1 A 1 MX	🔓 Insecure	View