tk.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.183.36	900s	36.183.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.185.21 52.101.68.27 52.101.91.153 52.101.91.162	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00302.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 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 161ms

TXT Record
mAL8GJA4kDuslnVfpTAVWDvUrPKt+j/r9TkWOFu9OrlklqqItXAiW84nIjPvNbJi+LsBUkCpXxR4aJy/RZXz8A==
MS=ms29207554
v=spf1 ip4:62.242.33.91 ip4:90.182.128.186 include:spf.hostnordic.com include:spf.itsecurity.dk -all

✉️ SPF

Policy	Record (tk.dk)
-all (hard fail)	v=spf1 ip4:62.242.33.91 ip4:90.182.128.186 include:spf.hostnordic.com include:spf.itsecurity.dk -all

📨 DMARC

Policy	Record (_dmarc.tk.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@itsecurity.dk

📬 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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2022040502
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

46ms

MX

45ms

AAAA

42ms

TXT

161ms

CAA

44ms

HTTPS

49ms

TLSA

312ms

SOA

0ms

MTA-STS

50ms

DNSSEC

86ms

SRV

61ms

Total

839ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 02:07:50	839ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 14:35:11	1824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:25:38	820ms	2 NS 1 A 1 MX	🔒 Secure	View