dan-sun.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.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
ns2.123hotel.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.13	3600s	linux13.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dansun-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.5 52.101.73.15 52.101.73.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔌 SRV Records1 records 31ms

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

📝 TXT Records2 records 123ms

TXT Record
MS=ms23597774
v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.ubivox.com -all

✉️ SPF

Policy	Record (dan-sun.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.ubivox.com -all

📨 DMARC

Policy	Record (_dmarc.dan-sun.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itsit.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

🔗 TLSA / DANE

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

🔐 DNSSEC56ms

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

🏷️ SOA35ms

Field	Value
Serial	2025032701
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@123hotel.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

35ms

A

30ms

MX

28ms

AAAA

27ms

TXT

123ms

CAA

33ms

HTTPS

27ms

TLSA

583ms

SOA

35ms

MTA-STS

38ms

DNSSEC

56ms

SRV

31ms

Total

1205ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 14:01:31	1205ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:56:26	640ms	2 NS 1 A 1 MX	🔒 Secure	View