cencorp.dk DNS records

🖥️ Nameservers4 records 41ms

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 Records

🌍

No A records found

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cencorp-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca09::f 2a01:111:f403:ca38::8 52.101.209.153 52.101.68.16 52.101.73.1 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.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
🔶 Autoconfig	77.111.240.180

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 66ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	20	1	5061	sipfed.online.lync.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 258ms

TXT Record
google-site-verification=5s49FvIsksMJGlggZwvWXEtzqYzOuWjHEI4uLDuv2yY
linkedin-site-verification=631d0e9c-9025-4c62-a649-3482a59aef09
mscid=qetSx4ABHFH3eOp6E/noOlvIAUYDvS+QOn82GJYK19nvHI43AxSeLafpGZ57eqtTAOTf1pX4f5AIJ4u5wFig3w==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cencorp.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cencorp.dk)
p=none (monitor only)	v=DMARC1; p=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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cencorp.dk	cencorp.dk.acme.service.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC82ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ 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

41ms

A

38ms

MX

43ms

AAAA

38ms

TXT

258ms

CAA

60ms

HTTPS

38ms

TLSA

587ms

SOA

0ms

MTA-STS

81ms

DNSSEC

82ms

SRV

66ms

Total

1346ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:39:24	1346ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-01 23:53:53	3346ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 20:34:53	30690ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 20:12:23	1940ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 20:07:02	767ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 20:00:08	709ms	4 NS 0 A 1 MX	🔓 Insecure	View