polarhus.dk DNS records

🖥️ Nameservers2 records 238ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
owen.ns.cloudflare.com	108.162.193.219 172.64.33.219 173.245.59.219 2606:4700:58::adf5:3bdb 2803:f800:50::6ca2:c1db 2a06:98c1:50::ac40:21db	owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 202ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.138	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 203ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	polarhus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.18 52.101.68.3 52.101.73.19 52.101.73.26	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.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)2 records 221ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:d2f7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3d8a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 242ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.138,172.67.210.247 ech=AEX+DQBBRAAgACATo2MQ2EBhFS/D6EQIitqKry8bfIWlpzqgTgHLoTIbMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d2f7,2606:4700:3036::6815:3d8a

📝 TXT Records4 records 527ms

TXT Record
google-site-verification=X_Jejy7wMB0ku-jHi-DSzIdSxFJ7Yp00nIc3KumE6yM
knowbe4-site-verification=b8e8f692e035ecb21314ccdb79242e42
MS=ms59215795
v=spf1 include:143522491.spf02.hubspotemail.net include:spf.protection.outlook.com include:_spf.mailersend.net include:_spf.mlsend.com include:_spf.google.com -all

✉️ SPF

Policy	Record (polarhus.dk)
-all (hard fail)	v=spf1 include:143522491.spf02.hubspotemail.net include:spf.protection.outlook.com include:_spf.mailersend.net include:_spf.mlsend.com include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.polarhus.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@polhus.com; ruf=mailto:dmarc@polhus.com; fo=1

📬 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)

🔐 DNSSEC410ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412361307
Primary NS (MNAME)	april.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

238ms

A

202ms

MX

203ms

AAAA

221ms

TXT

527ms

CAA

240ms

HTTPS

242ms

TLSA

1424ms

SOA

0ms

MTA-STS

309ms

DNSSEC

410ms

SRV

279ms

Total

4907ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 09:26:23	4907ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-24 03:31:13	1573ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 03:15:44	1425ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-09 06:24:34	1658ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 16:47:42	997ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 16:38:57	741ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 07:12:21	1114ms	2 NS 2 A 1 MX	🔓 Insecure	View