ibuh.dk DNS records

🖥️ Nameservers5 records 184ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.d-n-s.dk	185.215.92.135	—	AS209959 Mark Weber Andersen
ns2.d-n-s.dk	185.215.92.136	—	AS209959 Mark Weber Andersen
ns3.d-n-s.dk	185.215.92.137	—	AS209959 Mark Weber Andersen
ns4.d-n-s.dk	185.215.92.138	—	AS209959 Mark Weber Andersen
ns5.d-n-s.dk	185.215.92.139	—	AS209959 Mark Weber Andersen

🌍 A Records

🌍

No A records found

📧 MX Records1 records 269ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ibuh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::7 52.101.68.15 52.101.68.29 52.101.68.8 52.101.73.12	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.99.149.168

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 343ms

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

📝 TXT Records3 records 468ms

TXT Record
DNS-Service by D-N-S.DK
MS=ms76762420
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ibuh.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@ibuh.dk; ruf=mailto:dmarc@ibuh.dk;

📬 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)

🔐 DNSSEC198ms

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

🏷️ SOA43ms

Field	Value
Serial	2025032602
Primary NS (MNAME)	ns1.d-n-s.dk
Responsible (RNAME)	hostmaster@d-n-s.dk
Refresh	7200s
Retry	120s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

184ms

A

189ms

MX

269ms

AAAA

44ms

TXT

468ms

CAA

118ms

HTTPS

78ms

TLSA

127ms

SOA

43ms

MTA-STS

116ms

DNSSEC

198ms

SRV

343ms

Total

993ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:05:13	5077ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 09:37:15	5398ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-08-21 02:28:22	12299ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-08-20 00:47:35	26078ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-08-17 09:14:33	18449ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 12:52:30	993ms	5 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 14:16:36	6007ms	5 NS 0 A 1 MX	🔓 Insecure	View