optimumsupplies.dk

📜 Historical scan 2026-06-18 04:40:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimumsupplies.dk is a .dk domain served by 3 nameservers (nsauth1.introweb.nl, nsauth2.introweb.nl, nsauth3.introweb.net). It was registered on 1 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.previder.nl. 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#

3 records 83ms

Nameserver	IP addresses	PTR	ASN / ISP
nsauth1.introweb.nl	2001:1690:1:a::a 80.65.96.48	nsauth1.introweb.nl nsauth1.introweb.nl	AS20847 Previder B.V. AS20847 Previder B.V.
nsauth2.introweb.nl	2a0d:8600:1::5a 86.105.160.91	nsauth2.introweb.nl nsauth2.introweb.nl	AS205185 Eurofiber Cloud Infra B.V. AS205185 Eurofiber Cloud Infra B.V.
nsauth3.introweb.net	2001:1690:1:c::a 62.165.127.221	nsauth3.introweb.net nsauth3.introweb.net	AS20847 Previder B.V. AS20847 Previder B.V.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.previder.nl	2001:1690:65::100 62.165.65.100	mx.previder.nl mx.previder.nl	AS20847 Previder B.V. AS20847 Previder B.V.

🔷 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 2026-10-17 02:21:19

www	NXDOMAIN
www vs bare domain	Neither resolves optimumsupplies.dk: no address www.optimumsupplies.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

1 records 120ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.previder.nl	DANE-EE · SPKI · SHA-256	7849224D1C24FD6B04CB0E1D036A0434…

🔐 DNSSEC#

119ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

79ms

Field	Value
Serial	2020102101
Primary NS (MNAME)	nsauth1.introweb.nl
Responsible (RNAME)	postmaster@introweb.nl
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-13 14:07:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-07-01
Expires	2027-07-31 (285d)

🔗 Same registrant#

11 domains

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
optimumgreen.dk	Punktum dk A/S (direct)
optimumgroup.dk	Punktum dk A/S (direct)
optimumgroupcareers.dk	Punktum dk A/S (direct)
optimumgroupgreenliner.dk	Realtime Register B.V.
pouch4all.dk	Realtime Register B.V.
pouch4you.dk	Realtime Register B.V.
pouches4all.dk	Realtime Register B.V.
pouchesfourall.dk	Realtime Register B.V.
pouchforyou.dk	Realtime Register B.V.
pouchfourall.dk	Realtime Register B.V.
pouchfouryou.dk	Realtime Register B.V.

📋 WHOIS#

⏱️ Lookup Timing#

83ms

55ms

82ms

AAAA

53ms

TXT

253ms

CAA

52ms

HTTPS

53ms

TLSA

120ms

SOA

79ms

MTA-STS

92ms

DNSSEC

119ms

SRV

2066ms

Total

2807ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 04:39:54	1041ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-30 06:37:45	815ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-23 11:54:55	3049ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-21 05:04:22	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:40:05 shown	2807ms	3 NS 0 A 1 MX	🔓 Insecure