crown.dk DNS records

🖥️ Nameservers4 records 37ms

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 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.102.21.198	3600s	—	AS8075	Microsoft Corporation	23.102.0.0/16	🇮🇪 Ireland	Dublin

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	crown-dk.mail.protection.outlook.com	2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.68.16 52.101.68.25 52.101.68.29 52.101.73.11	mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 52.98.154.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 166ms

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

📝 TXT Records3 records 213ms

TXT Record
itinstituttet.azurewebsites.net
mscid=hRqQb0phSeDozVxrTzjt1CrJKTCku03YO3dXgSDrPIcOkSuPl7Qyx1oo2KMoamUHK60hZEb7up0vTNy5CQnGRg==
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all

✉️ SPF

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

🔐 DNSSEC89ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'crown.dk/DS/IN': 127.0.0.1#53

🏷️ SOA81ms

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

37ms

A

89ms

MX

46ms

AAAA

77ms

TXT

213ms

CAA

46ms

HTTPS

66ms

TLSA

127ms

SOA

81ms

MTA-STS

86ms

DNSSEC

89ms

SRV

166ms

Total

925ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 09:51:15	925ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-06-18 12:30:22	6165ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:31:15	42891ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:08:03	556ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:02:11	2021ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:01:36	621ms	4 NS 1 A 1 MX	🔓 Insecure	View