optimalinvest.dk

📜 Historical scan 2026-07-03 00:47:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimalinvest.dk is a .dk domain served by 3 nameservers (ns1.dnsresolve.io, ns2.dnsresolve.eu, ns3.dnsresolve.me). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.122 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by optimalinvest-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsresolve.io	172.105.72.183 2a01:7e01::f03c:94ff:fe6a:805d	ns1.dnsresolve.io —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud
ns2.dnsresolve.eu	152.115.36.124	—	AS31027 GlobalConnect A/S
ns3.dnsresolve.me	212.71.233.109 2a01:7e00::f03c:94ff:fe9f:2cca	212-71-233-109.ip.linodeusercontent.com —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.122	14400s	s6.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	—

📧 MX Records#

1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	optimalinvest-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 52.101.68.16 52.101.68.36 52.101.68.8 52.101.73.19	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 402ms

TXT Record
v=spf1 ip4:87.116.13.122 ip4:87.48.120.150 include:spf.stom.dk include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net -all

✉️ SPF#

Policy	Record (optimalinvest.dk)
-all (hard fail)	v=spf1 ip4:87.116.13.122 ip4:87.48.120.150 include:spf.stom.dk include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.optimalinvest.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;ruf=mailto:dmarc@stom.dk

📬 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 13:50:14

www CNAME	optimalinvest.dk (all on optimalinvest.dk) → 87.116.13.122 (AS31027)
www vs bare domain	Same network optimalinvest.dk: 87.116.13.122 (AS31027) www.optimalinvest.dk: 87.116.13.122 (AS31027)
Wildcard	No

✍️ DKIM keys#

5 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
s1	s1.domainkey.u49666391.wl142.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u49666391.wl142.sendgrid.net	RSA · ~2048 bit
selector1	selector1-optimalinvest-dk._domainkey.optimalinvestdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-optimalinvest-dk._domainkey.optimalinvestdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.optimalinvest.dk	SfUZsFn5YLaQSAXF-dh0rKO_s-LGksribB8VJeB8C5c

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2048ms

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

🏷️ SOA#

90ms

Field	Value
Serial	2026050401
Primary NS (MNAME)	ns1.dnsresolve.io
Responsible (RNAME)	drift@standoutmedia.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

62ms

74ms

24ms

AAAA

74ms

TXT

402ms

CAA

32ms

HTTPS

64ms

TLSA

605ms

SOA

90ms

MTA-STS

103ms

DNSSEC

2048ms

SRV

124ms

Total

3230ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:50:14	1619ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 05:34:36	9807ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-22 21:40:02	1284ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-07 19:15:24	1931ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-05 11:59:07	8985ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-03 00:47:46 shown	3230ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 05:12:04	1156ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 08:21:39	837ms	3 NS 1 A 1 MX	🔓 Insecure