optimumgroup.dk

📜 Historical scan 2026-06-18 04:01:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimumgroup.dk is a .dk domain served by 3 nameservers (nsauth1.introweb.nl, nsauth2.introweb.nl, nsauth3.introweb.net). It was registered on 10 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.13.155.44 is hosted by Neue Medien Muennich GmbH (AS34788) in Germany. Mail is handled by optimumgroup-dk.mail.protection.outlook.com. 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 134ms

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 107ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.13.155.44	—	dd38538.kasserver.com	AS34788	Neue Medien Muennich GmbH	85.13.128.0/18	🇩🇪 Germany	—

📧 MX Records#

1 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	optimumgroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 52.101.68.3 52.101.68.39 52.101.73.24 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.231.120

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 250ms

TXT Record
google-site-verification=iBK9wylFRtFzFWila3InIYnRZHfD-8ajXNgyYgibJRg
MS=ms46259138
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

latest probe, not this scan · checked 2026-10-09 08:31:22

www	85.13.155.44 (AS34788) (address records, no CNAME)
www vs bare domain	Same network optimumgroup.dk: 85.13.155.44 (AS34788) www.optimumgroup.dk: 85.13.155.44 (AS34788)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

158ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2022092901
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 2026-10-16 20:23:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-12-10
Expires	2026-12-31 (75d)

🔗 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)
optimumgroupcareers.dk	Punktum dk A/S (direct)
optimumgroupgreenliner.dk	Realtime Register B.V.
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#

134ms

107ms

122ms

AAAA

50ms

TXT

250ms

CAA

93ms

HTTPS

120ms

TLSA

711ms

SOA

47ms

MTA-STS

82ms

DNSSEC

158ms

SRV

196ms

Total

1511ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:31:22	1793ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 05:13:25	2650ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 05:56:56	3308ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 00:56:57	875ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 20:53:10	1297ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 19:49:07	1202ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:01:16 shown	1511ms	3 NS 1 A 1 MX	🔓 Insecure