castus.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.233.250.246	360s	—	AS31027	GlobalConnect A/S	77.233.224.0/19	🇩🇰 Denmark	Taastrup

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	castus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.103.140 52.101.68.36 52.101.73.126 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.24
🔶 Autoconfig	77.233.250.246

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 220ms

TXT Record
facebook-domain-verification=5ic68zmi6k8f6yl9btjoi06h9abplg
google-site-verification=OlBhdl5Y4Fn3u1GYB6HbxE3MtR3gldpTGuKbeSO_aKM
v=spf1 include:spf.protection.outlook.com ip4:93.191.155.11 ip4:86.58.248.115 -all

✉️ SPF

Policy	Record (castus.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:93.191.155.11 ip4:86.58.248.115 -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.castus.dk	dd0a1577-36e3-46d2-8ad7-7bb8f7b30817.auth.acme-dns.io
TXT	dd0a1577-36e3-46d2-8ad7-7bb8f7b30817.auth.acme-dns.io	0o5rki5RBRJ0jpBdcSTYxlMR2CFw_r6fGOGuHl0pQ14
TXT	dd0a1577-36e3-46d2-8ad7-7bb8f7b30817.auth.acme-dns.io	sR9SR3yvZEdgQK09dbxVK8kFsZ2wonHE0QhiN0O2ryY

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2024020701
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.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

55ms

A

46ms

MX

54ms

AAAA

55ms

TXT

220ms

CAA

42ms

HTTPS

47ms

TLSA

718ms

SOA

0ms

MTA-STS

64ms

DNSSEC

90ms

SRV

71ms

Total

1592ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:02:08	1592ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:40:14	2643ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:46:41	993ms	2 NS 1 A 1 MX	🔒 Secure	View