citk.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	citk-dk.l-v1.mx.microsoft	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::f 2a01:111:f403:ca3c::a 52.101.181.153 52.101.73.1 52.101.73.30 52.101.91.162	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 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 139ms

TXT Record
ms-domain-verification=78887d77-163e-44e5-aa95-505f69bbf4f0
MS=ms34670178
v=spf1 include:spf.protection.outlook.com ip4:194.239.195.108 ip4:194.239.195.131 ip4:194.239.195.137 ip4:194.182.143.137 -all

✉️ SPF

Policy	Record (citk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:194.239.195.108 ip4:194.239.195.131 ip4:194.239.195.137 ip4:194.182.143.137 -all

📨 DMARC

Policy	Record (_dmarc.citk.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:aalborgkommune@eu.cp-dmarc.com; ruf=mailto:aalborgkommune@eu.cp-dmarc.com; fo=0

📬 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 / DANE4 records 88ms

Service / Owner	Type	Cert association
SMTP _25._tcp.citk-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.citk-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.citk-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.citk-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2025100904
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.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

42ms

A

43ms

MX

61ms

AAAA

40ms

TXT

139ms

CAA

41ms

HTTPS

54ms

TLSA

88ms

SOA

0ms

MTA-STS

74ms

DNSSEC

81ms

SRV

61ms

Total

701ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-08 18:05:13	701ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 16:28:01	1021ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 00:31:23	883ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 20:56:16	2722ms	2 NS 0 A 1 MX	🔒 Secure	View