lacuna.dk

📜 Historical scan 2026-10-01 06:05:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lacuna.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.221.124.121 is hosted by CoMaSys ApS (AS51377) in Denmark. Mail is handled by lacuna-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 24ms

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 Records#

1 records 35ms

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 Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lacuna-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca3c::8 52.101.103.143 52.101.209.153 52.101.68.12 52.101.68.25	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 47ms

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

📝 TXT Records#

2 records 107ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 06:11:03

www	193.221.124.121 (AS51377) (address records, no CNAME)
www vs bare domain	Same network lacuna.dk: 193.221.124.121 (AS51377) www.lacuna.dk: 193.221.124.121 (AS51377)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u48618900.wl151.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u48618900.wl151.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

41ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

24ms

35ms

33ms

AAAA

33ms

TXT

107ms

CAA

32ms

HTTPS

34ms

TLSA

172ms

SOA

41ms

MTA-STS

41ms

DNSSEC

67ms

SRV

47ms

Total

526ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 21:47:26	1074ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:05:59 shown	526ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 23:09:56	794ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 03:00:07	1321ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 11:20:37	1000ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 17:31:41	1129ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:57:59	3066ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 21:20:57	1107ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:21:44	1116ms	2 NS 1 A 1 MX	🔒 Secure