holbergfenger.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.247	300s	vps3.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holbergfenger-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.21 52.101.68.29 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 121ms

TXT Record
H0O0L63162
ms=ms31042198
P-7zRY94qu8V
tJKRrZPiRdtf4NIh3Nek0554tt+Fkb2KymxpStNkHv0QdaTNumil59LfsrbnfYr5PRtavbA9x3DKHJ8OmccYoQ==
v=spf1 ip4:212.98.81.102 ip4:185.157.17.23 include:spf.zentura.dk include:spf.permido.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (holbergfenger.dk)
-all (hard fail)	v=spf1 ip4:212.98.81.102 ip4:185.157.17.23 include:spf.zentura.dk include:spf.permido.com 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)

🔐 DNSSEC54ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA33ms

Field	Value
Serial	2022102703
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

33ms

MX

32ms

AAAA

33ms

TXT

121ms

CAA

28ms

HTTPS

27ms

TLSA

170ms

SOA

33ms

MTA-STS

32ms

DNSSEC

54ms

SRV

32ms

Total

723ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 04:27:42	723ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 12:42:07	1769ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:11:50	274ms	0 NS 0 A 0 MX	❓ Unknown	View