renteoptimering.dk

📜 Historical scan 2026-10-03 12:40:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

renteoptimering.dk is a .dk domain served by 5 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk and 2 more). It was registered on 2 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.100 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.renteoptimering.dk. 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#

5 records   37ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk 195.242.131.5
2001:67c:564:fffc::11		 ns1.e-studio.dk
ns1.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.e-studio.dk 2a00:1b18:2:3::2
62.69.152.34		 ns2.e-studio.dk
ns2.e-studio.dk		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.e-studio.dk 193.200.90.183
2001:67c:564:fffc::13		 ns3.e-studio.dk
ns3.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns4.e-studio.dk 185.210.177.89 — AS51377 CoMaSys ApS
ns5.e-studio.dk 148.251.215.66 static.66.215.251.148.clients.your-server.de AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.131.100 300s web10.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.renteoptimering.dk 195.242.131.100 web10.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.131.100
🔶 Autoconfig195.242.131.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   75ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   270ms
TXT Record
v=spf1 +a +mx +ip4:195.242.131.100 include:_spf.e-studio.dk +include:relay.mailchannels.net -all

✉️ SPF#

PolicyRecord (renteoptimering.dk)
-all (hard fail) v=spf1 +a +mx +ip4:195.242.131.100 include:_spf.e-studio.dk +include:relay.mailchannels.net -all

📨 DMARC#

PolicyRecord (_dmarc.renteoptimering.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none

📬 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 06:27:57
www195.242.131.100 (AS62121) (address records, no CNAME)
www vs bare domainSame network
renteoptimering.dk: 195.242.131.100 (AS62121)
www.renteoptimering.dk: 195.242.131.100 (AS62121)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.renteoptimering.dk QWdV7CQbpqW8-j7kH5P-5FWLxLJoTtwr6LnYsYv3Okg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

135ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

37ms
FieldValue
Serial2026100303
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-12 02:09:35
FieldValue
Registrardns.services ApS
Registered2024-03-02
Expires2027-03-01 (134d)

🔗 Same registrant#

3 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).

DomainRegistrar
andelsrente.dkdns.services ApS
renteguiden.dkdns.services ApS
rentenyt.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
41ms
MX
53ms
AAAA
42ms
TXT
270ms
CAA
42ms
HTTPS
51ms
TLSA
95ms
SOA
37ms
MTA-STS
102ms
DNSSEC
135ms
SRV
75ms
Total
776ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 06:27:57 1267ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-16 05:55:29 1202ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-15 04:34:11 962ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-14 02:45:46 366ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-13 02:40:57 1413ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-12 01:37:47 1468ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-11 01:03:34 1692ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-09 17:10:02 2034ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-08 15:50:33 1807ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-07 15:44:47 1822ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-06 14:50:42 2178ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-05 13:00:54 2412ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-04 12:43:27 724ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-03 12:40:54 shown 776ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-02 12:40:08 450ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-01 12:37:43 705ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-30 12:33:21 531ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-29 20:50:05 572ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-29 14:23:07 967ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-28 14:16:19 547ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-27 14:06:06 607ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-26 13:51:56 506ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-25 13:34:51 507ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-24 13:22:22 520ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-23 12:52:31 566ms 5 NS 1 A 1 MX 🔓 Insecure
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