haar-studiet.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.148.31.187	3600s	haar-studiet.dk	AS44803	Webdock.io ApS	45.148.28.0/22	🇩🇰 Denmark	Asperup

📧 MX Records3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	haar-studiet.dk.mx.one.com	104.37.34.230 104.37.34.231 104.37.34.232 104.37.34.233	mx1.pub.mailpod11-cph3.one.com mx2.pub.mailpod11-cph3.one.com mx3.pub.mailpod11-cph3.one.com mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S
10	600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 158ms

TXT Record
v=spf1 include:spf.improvmx.com ~all

✉️ SPF

Policy	Record (haar-studiet.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC

Policy	Record (_dmarc.haar-studiet.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:support@syan.dk,mailto:vtzdjvak@ag.dmarcian-eu.com

📬 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)

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

47ms

MX

43ms

AAAA

40ms

TXT

158ms

CAA

46ms

HTTPS

42ms

TLSA

98ms

SOA

0ms

MTA-STS

70ms

DNSSEC

83ms

SRV

68ms

Total

813ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 22:22:48	813ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-14 11:21:53	9339ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 11:05:19	5761ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 07:38:05	882ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 10:44:06	1112ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 10:41:05	1477ms	2 NS 1 A 3 MX	🔒 Secure	View