lookusup.dk

📜 Historical scan 2026-06-23 23:56:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lookusup.dk is a .dk domain served by 2 nameservers (ns.andersenit.dk, ns1.andersenit.dk). It was registered on 7 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.238.253.113 is hosted by RockyNordic ApS (AS198614) in Denmark. Mail is handled by smtp-mx.lookusup.dk. 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 256ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.andersenit.dk	185.200.74.101	ns.andersenit.dk	AS198614 RockyNordic ApS
ns1.andersenit.dk	87.238.248.10	ns1.andersenit.dk	AS198614 RockyNordic ApS

🌍 A Records#

1 records 150ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.238.253.113	600s	rocky8wps.rockynordic.com	AS198614	RockyNordic ApS	87.238.252.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	600s	smtp-mx.lookusup.dk	87.238.248.42	—	AS198614 RockyNordic ApS

🔷 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 2026-10-16 20:40:27

www CNAME	lookusup.dk (all on lookusup.dk) → 87.238.253.113 (AS198614)
www vs bare domain	Same network lookusup.dk: 87.238.253.113 (AS198614) www.lookusup.dk: 87.238.253.113 (AS198614)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

195ms

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

🏷️ SOA#

136ms

Field	Value
Serial	2023083102
Primary NS (MNAME)	ns.andersenit.dk
Responsible (RNAME)	hostmaster@andersenit.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-26 07:35:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-09-07
Expires	2027-09-30 (338d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
thedesigner.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

256ms

150ms

159ms

AAAA

135ms

TXT

405ms

CAA

141ms

HTTPS

137ms

TLSA

232ms

SOA

136ms

MTA-STS

142ms

DNSSEC

195ms

SRV

273ms

Total

1079ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-25 12:10:54	584ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 04:24:10	932ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 23:56:11 shown	1079ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:21:28	1168ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 08:27:25	849ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:43:25	1277ms	2 NS 1 A 1 MX	🔓 Insecure