just-as.dk DNS records

🖥️ Nameservers2 records 39ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.146.20.227	3600s	185.146.20.227.static.a2webhosting.com	AS209341	WHG Hosting Services Ltd	185.146.20.0/22	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	justas-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 2a01:111:f403:ca38::8 52.101.103.143 52.101.68.3 52.101.73.24 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.40
🔶 Autoconfig	185.146.20.227

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 58ms

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

📝 TXT Records3 records 144ms

TXT Record
google-site-verification=B3qOJlnNdLUqwK0ogh6M9rO0uZALVQ_eXNZn0OI30z4
MS=ms72701986
v=spf1 mx ip4:217.116.214.71 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (just-as.dk)
-all (hard fail)	v=spf1 mx ip4:217.116.214.71 include:spf.protection.outlook.com -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

🔗 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	2021111701
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

39ms

A

30ms

MX

41ms

AAAA

26ms

TXT

144ms

CAA

31ms

HTTPS

46ms

TLSA

654ms

SOA

0ms

MTA-STS

51ms

DNSSEC

83ms

SRV

58ms

Total

1268ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:19:30	1268ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:16:40	1880ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:36:49	1365ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-18 07:27:21	1238ms	2 NS 1 A 1 MX	🔒 Secure	View