skdk.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.226	600s	vm1030.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	skdk-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.21 52.101.68.36 52.101.73.11 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 154ms

TXT Record
MS=ms97459114
v=spf1 mx ip4:212.130.197.179 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:93.176.66.100 ip4:193.104.246.21 ip4:193.104.246.22 ip4:193.104.246.23 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (skdk.dk)
-all (hard fail)	v=spf1 mx ip4:212.130.197.179 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:93.176.66.100 ip4:193.104.246.21 ip4:193.104.246.22 ip4:193.104.246.23 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.skdk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarcreports@skdk.dk; ruf=mailto:dmarcreports@skdk.dk; sp=none

📬 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)

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

64ms

MX

46ms

AAAA

46ms

TXT

154ms

CAA

55ms

HTTPS

67ms

TLSA

635ms

SOA

0ms

MTA-STS

62ms

DNSSEC

93ms

SRV

92ms

Total

1210ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 01:31:16	1210ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 21:04:03	5920ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:00:44	953ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:05:38	661ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:58:25	824ms	2 NS 1 A 1 MX	🔒 Secure	View