3s.dk DNS records

🖥️ Nameservers2 records 33ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.79.5	3600s	v4-elastic-ingress.balancer01.hyperscalemega.cloud	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	3s-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.209.153 52.101.68.16 52.101.68.39 52.101.73.2	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.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
🔶 Autoconfig	185.31.79.5

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 172ms

TXT Record
ms-domain-verification=bcc39781-7056-4451-bb08-b2185e168bba
ms=ms17629619
v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com include:_spf.powerhosting.dk a:smtpservice.vidoba.dk ip4:93.191.155.217 ip4:152.115.151.2 -all

✉️ SPF

Policy	Record (3s.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com include:_spf.powerhosting.dk a:smtpservice.vidoba.dk ip4:93.191.155.217 ip4:152.115.151.2 -all

📨 DMARC

Policy	Record (_dmarc.3s.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026060506
Primary NS (MNAME)	ns1.123hotel.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

33ms

A

37ms

MX

42ms

AAAA

24ms

TXT

172ms

CAA

53ms

HTTPS

29ms

TLSA

366ms

SOA

0ms

MTA-STS

64ms

DNSSEC

84ms

SRV

53ms

Total

969ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:35:36	969ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 00:52:05	1474ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 08:11:38	6484ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 17:55:22	2047ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 00:38:13	1196ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 04:31:09	907ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 17:11:46	1022ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:43:47	1154ms	2 NS 1 A 1 MX	🔒 Secure	View