75536800.dk

📜 Historical scan 2026-06-28 15:07:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

75536800.dk is a .dk domain served by 2 nameservers (gate.profdoc.dk, ns.profdoc.dk). It was registered on 15 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.103 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, has no 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 203ms

Nameserver	IP addresses	PTR	ASN / ISP
gate.profdoc.dk	80.62.243.243	243.241-254.243.62.80.in-addr.arpa	AS3292 TDC Holding A/S
ns.profdoc.dk	80.62.243.242	242.241-254.243.62.80.in-addr.arpa	AS3292 TDC Holding A/S

🌍 A Records#

1 records 233ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.103	3600s	vm0934.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 247ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 14:48:27

www CNAME	75536800.dk (all on 75536800.dk) → 185.21.40.103 (AS48854)
www vs bare domain	Same network 75536800.dk: 185.21.40.103 (AS48854) www.75536800.dk: 185.21.40.103 (AS48854)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

519ms

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

🏷️ SOA#

184ms

Field	Value
Serial	2016020414
Primary NS (MNAME)	ns.profdoc.dk
Responsible (RNAME)	hostmaster@profdoc.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 08:44:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-12-15
Expires	2026-12-31 (70d)

📋 WHOIS#

⏱️ Lookup Timing#

203ms

233ms

247ms

AAAA

235ms

TXT

593ms

CAA

227ms

HTTPS

199ms

TLSA

124ms

SOA

184ms

MTA-STS

250ms

DNSSEC

519ms

SRV

243ms

Total

1422ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 14:48:27	4560ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-31 22:51:28	566ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-28 15:07:29 shown	1422ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 15:21:43	525ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 12:54:58	1378ms	2 NS 1 A 2 MX	🔓 Insecure