lacuna.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.221.124.121	60s	wp01.comasys.dk	AS51377	CoMaSys ApS	193.221.124.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lacuna-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 52.101.68.27 52.101.73.1 52.101.73.11 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 49ms

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

📝 TXT Records2 records 144ms

TXT Record
MS=ms75762447
v=spf1 include:spf.protection.outlook.com a:spam.4dim.as include:_spf.comasys.dk include:spf.mandrillapp.com ip4:193.221.124.121 ip4:217.63.102.102 ip4:50.56.72.228 ip4:210.48.71.198/30 ip4:50.57.187.177 include:spf.smtp2go.com -all

✉️ SPF

Policy	Record (lacuna.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:spam.4dim.as include:_spf.comasys.dk include:spf.mandrillapp.com ip4:193.221.124.121 ip4:217.63.102.102 ip4:50.56.72.228 ip4:210.48.71.198/30 ip4:50.57.187.177 include:spf.smtp2go.com -all

📨 DMARC

Policy	Record (_dmarc.lacuna.dk)
p=reject	v=DMARC1;p=reject;

📬 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)

🔐 DNSSEC61ms

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

🏷️ SOA39ms

Field	Value
Serial	2025013001
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.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

44ms

A

38ms

MX

43ms

AAAA

43ms

TXT

144ms

CAA

43ms

HTTPS

40ms

TLSA

574ms

SOA

39ms

MTA-STS

48ms

DNSSEC

61ms

SRV

49ms

Total

1129ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-29 17:31:41	1129ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 08:57:59	3066ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:20:57	1107ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:21:44	1116ms	2 NS 1 A 1 MX	🔒 Secure	View