uldbjergandersen.dk DNS records

🖥️ Nameservers4 records 65ms

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 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	uldbjergandersen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 2a01:111:f403:ca38::8 52.101.103.137 52.101.68.21 52.101.68.32 52.101.73.24	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.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

📝 TXT Records2 records 212ms

TXT Record
mscid=des4eVSHIVzEjFIlCKIVSSAmi3b54V/guSMea+FHogvsx6J9xyxf86hQVcA0K40EmFcZyNybyQXXdQLz8CcUHg==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.uldbjergandersen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC120ms

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

65ms

A

87ms

MX

66ms

AAAA

108ms

TXT

212ms

CAA

64ms

HTTPS

58ms

TLSA

600ms

SOA

0ms

MTA-STS

90ms

DNSSEC

120ms

SRV

116ms

Total

1231ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:45:55	1231ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-25 09:05:01	2973ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 00:24:41	1279ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 07:38:51	991ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:05:14	1262ms	4 NS 0 A 1 MX	🔓 Insecure	View