cobp.dk DNS records

🖥️ Nameservers4 records 39ms

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 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cobp-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::d 52.101.68.21 52.101.68.32 52.101.73.11 52.101.73.2	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr07cu00302.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

📝 TXT Records2 records 213ms

TXT Record
mscid=geurzPRWbEYlx2+MvO09VLS7yxKgILQV18krMDK/aL0kjx8Sm/twXy9gpmPtUj0/rXP6Wo44GYxlz4vh+n3j2A==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC110ms

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

39ms

A

47ms

MX

47ms

AAAA

42ms

TXT

213ms

CAA

56ms

HTTPS

47ms

TLSA

624ms

SOA

0ms

MTA-STS

72ms

DNSSEC

110ms

SRV

95ms

Total

1327ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:00:57	1327ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 13:35:41	1191ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 14:49:17	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:23:00	1163ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-20 21:33:30	1154ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 15:54:02	3023ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 21:36:22	1752ms	4 NS 0 A 1 MX	🔓 Insecure	View