mbu.dk DNS records

🖥️ Nameservers3 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.nerdonline.dk	167.233.0.169	mailgw1.nerdonline.dk	AS24940 Hetzner Online GmbH
ns2.nerdonline.dk	95.216.155.89	hel01.nerdonline.dk	AS24940 Hetzner Online GmbH
ns3.nerdonline.dk	167.233.0.167	ns3.nerdonline.dk	AS24940 Hetzner Online GmbH

🌍 A Records1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	1800s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	mbu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.103.137 52.101.68.8 52.101.73.155 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as2pr05cu00100.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 349ms

TXT Record
MS=ms46386649
v=spf1 a mx a:mail.winkas.net include:spf.protection.outlook.com include:mail.winkas.net -all

✉️ SPF

Policy	Record (mbu.dk)
-all (hard fail)	v=spf1 a mx a:mail.winkas.net include:spf.protection.outlook.com include:mail.winkas.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)

🔐 DNSSEC2110ms

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	1530854909
Primary NS (MNAME)	ns.nerdonline.dk
Responsible (RNAME)	hostmaster@nerdonline.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

68ms

MX

89ms

AAAA

59ms

TXT

349ms

CAA

66ms

HTTPS

72ms

TLSA

595ms

SOA

0ms

MTA-STS

104ms

DNSSEC

2110ms

SRV

112ms

Total

3246ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:22:31	3246ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 14:37:26	1197ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 11:49:33	1112ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 03:20:46	1888ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 09:59:49	1920ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 11:05:54	1159ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 12:56:33	909ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 02:32:20	3145ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 23:59:28	885ms	3 NS 1 A 1 MX	🔓 Insecure	View