optimumgroupgreenliner.dk

Records from scan: 2026-08-25 23:41:13 · 2873ms total · last checked 2026-10-16 18:31 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimumgroupgreenliner.dk is a .dk domain served by 3 nameservers (nsauth1.introweb.nl, nsauth2.introweb.nl, nsauth3.introweb.net). It was registered on 22 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.165.75.168 is hosted by Previder B.V. (AS20847) in The Netherlands. Mail is handled by mx.previder.nl. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 67ms

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#

1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.165.75.168	3600s	ip-62-165-75-168.previder.nl	AS20847	Previder B.V.	62.165.64.0/18	🇳🇱 The Netherlands	Harbrinkhoek

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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)#

1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1690:2:1956::4400	3600s	—	AS20847	Previder B.V.	2001:1690:0:0:0:0:0:0/32	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 255ms

TXT Record
v=DMARC1;p=reject;
v=spf1 a mx ~all

✉️ SPF#

Policy	Record (optimumgroupgreenliner.dk)
~all (soft fail)	v=spf1 a mx ~all

📨 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#

checked 2026-10-09 02:51:35

www	62.165.75.168 2001:1690:2:1956::4400 (AS20847) (address records, no CNAME)
www vs bare domain	Same network optimumgroupgreenliner.dk: 62.165.75.168 2001:1690:2:1956::4400 (AS20847) www.optimumgroupgreenliner.dk: 62.165.75.168 2001:1690:2:1956::4400 (AS20847)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 180ms

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

🔐 DNSSEC#

2074ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024102102
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 14:52:21

Field	Value
Registrar	Realtime Register B.V.
Registered	2024-10-22
Expires	2026-10-21 (4d)

🔗 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)
optimumsupplies.dk	Punktum dk A/S (direct)
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#

67ms

79ms

58ms

AAAA

64ms

TXT

255ms

CAA

64ms

HTTPS

64ms

TLSA

180ms

SOA

0ms

MTA-STS

82ms

DNSSEC

2074ms

SRV

88ms

Total

2873ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:41:13 shown	2873ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-29 20:48:38	941ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 11:01:05	3240ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 06:27:37	963ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:58:18	734ms	3 NS 1 A 1 MX	🔓 Insecure