eksperimenter.dk

📜 Historical scan 2026-09-11 12:24:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

eksperimenter.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.57.241.43 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.spamfilter.cc, mx2.spamfilter.cc and 1 more. The zone is DNSSEC-signed and validates, 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#

2 records   43ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.57.241.43 3600s 87-57-241-43-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.57.0.0/16 🇩🇰 Denmark Vallensbæk Strand

📧 MX Records#

3 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.spamfilter.cc 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5
95.179.139.219
95.179.218.56		 —
95.179.139.219.vultrusercontent.com
95.179.218.56.vultrusercontent.com		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
10 43200s mx2.spamfilter.cc 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5
95.179.139.219
95.179.218.56		 —
95.179.139.219.vultrusercontent.com
95.179.218.56.vultrusercontent.com		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
20 43200s mx3.spamfilter.cc 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5
95.179.139.219
95.179.218.56		 —
95.179.139.219.vultrusercontent.com
95.179.218.56.vultrusercontent.com		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover87.57.241.43
🔶 Autoconfig87.57.241.43

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   163ms
TXT Record
v=spf1 include:_include.mxhotel.dk -all

✉️ SPF#

PolicyRecord (eksperimenter.dk)
-all (hard fail) v=spf1 include:_include.mxhotel.dk -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 2026-10-19 04:39:59
www87.57.241.43 (AS3292) (address records, no CNAME)
www vs bare domainSame network
eksperimenter.dk: 87.57.241.43 (AS3292)
www.eksperimenter.dk: 87.57.241.43 (AS3292)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

  • error include:_include.mxhotel.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026032401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-19 05:08:46
FieldValue
RegistrarONE.COM A/S
Registered2010-06-05
Expires2027-06-30 (253d)

🔗 Same registrant#

56 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
1reservelæge.dkONE.COM A/S
afbestilling.dkONE.COM A/S
afbudsrejser-efterårsferien.dkPunktum dk A/S (direct)
afdelingslæge.dkONE.COM A/S
airportal.dkPunktum dk A/S (direct)
aktivfar.dkONE.COM A/S
almen-praksis.dkONE.COM A/S
altforgode.dkPunktum dk A/S (direct)
behandlingssikring.dkPunktum dk A/S (direct)
bigmeet.dkONE.COM A/S
billig-flyrejse.dkONE.COM A/S
billig-julegave.dkONE.COM A/S
billig-laserbehandling.dkPunktum dk A/S (direct)
billig-sommerhusudlejning.dkONE.COM A/S
billige-busrejser.dkPunktum dk A/S (direct)
billige-foto.dkPunktum dk A/S (direct)
billigeafbudsrejser.dkONE.COM A/S
biludlejning-udlandet.dkONE.COM A/S
blomsterbestilling.dkONE.COM A/S
blomsterbuketter.dkONE.COM A/S
bog-link.dkONE.COM A/S
breum.dkONE.COM A/S
dagens-horoskop.dkONE.COM A/S
dansk-rejseledsager.dkONE.COM A/S
enkeltbilletter.dkONE.COM A/S
eurostay.dkONE.COM A/S
familierejsen.dkONE.COM A/S
ferielejligheder-spanien.dkONE.COM A/S
find-flybilletter.dkPunktum dk A/S (direct)
flybilletter-flyrejser.dkPunktum dk A/S (direct)
flyrute.dkPunktum dk A/S (direct)
gamepage.dkONE.COM A/S
handout.dkPunktum dk A/S (direct)
happyhair.dkONE.COM A/S
hotelfinder.dkONE.COM A/S
hoteller-udlandet.dkPunktum dk A/S (direct)
hushhush.dkONE.COM A/S
ieat.dkONE.COM A/S
juniorlejr.dkONE.COM A/S
konkurrencenet.dkONE.COM A/S
krydstogt-caribien.dkPunktum dk A/S (direct)
lapsim.dkONE.COM A/S
lavpris-flybilletter.dkONE.COM A/S
lavpris-flyrejser.dkONE.COM A/S
leanonme.dkONE.COM A/S
markedsføringsstrategi.dkONE.COM A/S
mobile-escape.dkONE.COM A/S
navnebetydning.dkONE.COM A/S
nytåret.dkONE.COM A/S
obstetrics.dkPunktum dk A/S (direct)
personlige-festsange.dkONE.COM A/S
piccolo.dkONE.COM A/S
privatedive.dkONE.COM A/S
rejsefreak.dkONE.COM A/S
rejseoversigten.dkONE.COM A/S
robots.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
49ms
MX
37ms
AAAA
42ms
TXT
163ms
CAA
40ms
HTTPS
37ms
TLSA
2032ms
SOA
0ms
MTA-STS
73ms
DNSSEC
73ms
SRV
74ms
Total
2783ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 04:39:59 1879ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-27 11:15:44 4581ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-23 21:10:21 1027ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-11 12:24:37 shown 2783ms 2 NS 1 A 3 MX 🔒 Secure
2026-08-25 15:07:25 907ms 2 NS 1 A 3 MX 🔒 Secure
2026-07-01 23:43:40 1861ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 06:45:11 2099ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 06:30:10 1067ms 2 NS 1 A 3 MX 🔒 Secure
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