t-k.dk DNS records

🖥️ Nameservers2 records 48ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.251	3600s	linux39.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tk-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 52.101.68.18 52.101.68.27 52.101.73.1 52.101.73.24	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 238ms

TXT Record
_oqlu3o7t1js0ms21d9v68ovuj9888i0
google-site-verification=yT_XB_fA6i5kPEZB8rwxXEBZMjqNN-F9cY-PVZlZpAA
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com include:spf.zoho.eu include:spf.simply.com ~all

✉️ SPF

Policy	Record (t-k.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com include:spf.zoho.eu include:spf.simply.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.t-k.dk	_oqlu3o7t1js0ms21d9v68ovuj9888i0

🔗 TLSA / DANE

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

🔐 DNSSEC112ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

48ms

A

43ms

MX

48ms

AAAA

45ms

TXT

238ms

CAA

48ms

HTTPS

64ms

TLSA

598ms

SOA

0ms

MTA-STS

79ms

DNSSEC

112ms

SRV

80ms

Total

1323ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:18:11	1323ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 20:26:17	1222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 03:54:29	33169ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 02:30:27	1063ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 12:22:47	1177ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:30:07	1094ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 02:26:56	890ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:44:20	938ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 13:50:24	840ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:58:50	859ms	2 NS 1 A 1 MX	🔒 Secure	View