ihaarhus.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records4 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
10	3600s	mail.ihaarhus.dk	94.231.109.187	director1.mf.curanet.dk	AS48854 team.blue Denmark A/S
20	3600s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
100	3600s	ihaarhus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.16 52.101.73.11 52.101.73.2 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24
🔶 Autoconfig	162.159.135.42

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 60ms

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

📝 TXT Records4 records 293ms

TXT Record
ca3-50cfb8eef71245108ae409ca02692af9
google-site-verification=rB8NcMc3qXlvaSOBsHZ78KJslQgCwqveyk7yxLf9hWI
MS=ms33616832
v=spf1 include:spf.curanet.dk include:servers.mcsv.net include:spf.mailjet.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ihaarhus.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:servers.mcsv.net include:spf.mailjet.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ihaarhus.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@v10.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.ihaarhus.dk	ihaarhus.dk.kinstavalidation.app

🔗 TLSA / DANE1 records 599ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC113ms

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

🏷️ SOA40ms

Field	Value
Serial	2025091906
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.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

36ms

A

31ms

MX

51ms

AAAA

49ms

TXT

293ms

CAA

50ms

HTTPS

38ms

TLSA

599ms

SOA

40ms

MTA-STS

54ms

DNSSEC

113ms

SRV

60ms

Total

1642ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 16:28:21	1642ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 13:03:36	1021ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 14:25:17	2064ms	2 NS 1 A 4 MX	🔒 Secure	View