tregart.dk

📜 Historical scan 2026-06-19 22:12:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tregart.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 24 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.254 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tregart-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 1228ms

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 Records#

1 records 1222ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.254	3600s	linux32.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 1232ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tregart-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.3 52.101.73.12 52.101.73.153 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.98.16.35

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 933ms

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

📝 TXT Records#

1 records 1449ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tregart.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.tregart.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+vus8snq43fg@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-12 13:12:52

www	185.21.41.254 (AS48854) (address records, no CNAME)
www vs bare domain	Same network tregart.dk: 185.21.41.254 (AS48854) www.tregart.dk: 185.21.41.254 (AS48854)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-tregart-dk._domainkey.tregart.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-tregart-dk._domainkey.tregart.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2338ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

1231ms

Field	Value
Serial	2026041301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 21:29:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-06-24
Expires	2028-06-30 (619d)

📋 WHOIS#

⏱️ Lookup Timing#

1228ms

1222ms

1232ms

AAAA

1255ms

TXT

1449ms

CAA

1232ms

HTTPS

1241ms

TLSA

561ms

SOA

1231ms

MTA-STS

101ms

DNSSEC

2338ms

SRV

933ms

Total

5162ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:41:07	992ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 15:11:24	1134ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 22:12:57 shown	5162ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:12:37	2707ms	2 NS 1 A 1 MX	🔓 Insecure