tct.dk DNS records

🖥️ Nameservers4 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.6	1800s	web6.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tct-dk.h-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.27 52.101.73.123 52.101.73.24	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 85ms

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

📝 TXT Records3 records 205ms

TXT Record
_globalsign-domain-verification=OPPz9Sz4RlcN-GRx9gzr40scEYRt6AD1vLvLD26ql9
mscid=XuvCgaOUF8BKt8Xl7mfdCafXx//IDojB6q0aqbwxh1u3H/aHm0TyZOfzTAu1pYdifMVulXPsGCjujRtkeGvqWA==
v=spf1 include:_spf56960.spf-protect.dk include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF

Policy	Record (tct.dk)
-all (hard fail)	v=spf1 include:_spf56960.spf-protect.dk include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC

Policy	Record (_dmarc.tct.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:670cfd2dd6160@dmarc-dk.centerasecurity.com;

📬 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)

🔐 DNSSEC90ms

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	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

67ms

MX

37ms

AAAA

43ms

TXT

205ms

CAA

77ms

HTTPS

49ms

TLSA

88ms

SOA

0ms

MTA-STS

86ms

DNSSEC

90ms

SRV

85ms

Total

876ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:35:40	876ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 09:01:57	890ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 03:32:49	706ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 17:51:05	907ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 06:22:18	834ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 08:13:10	2815ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 20:56:29	3150ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 14:00:52	699ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 12:00:06	986ms	4 NS 1 A 1 MX	🔓 Insecure	View