esa-bic.dk

📜 Historical scan 2026-10-14 20:21:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esa-bic.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.84.65 is hosted by FSKNET-DK Forskningsnettet - Danish network for Research and Education (AS1835) 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   29ms
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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.38.84.65 43200s redirector.ait.dtu.dk AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education 192.38.0.0/17 🇩🇰 Denmark Brønshøj

📧 MX Records#

3 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s 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
🔷 Autodiscoverredirector.ait.dtu.dk → 192.38.84.65
🔶 Autoconfigredirector.ait.dtu.dk → 192.38.84.65

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-26 21:16:46
www CNAMEredirector.ait.dtu.dk (all on dtu.dk)
www vs bare domainSame network
esa-bic.dk: 192.38.84.65 (AS1835)
www.esa-bic.dk: 192.38.84.65 (AS1835)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.esa-bic.dk redirector.ait.dtu.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

45ms
FieldValue
Serial2026101301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-25 06:32:22
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-05-28
Expires2027-05-31 (216d)

🔗 Same registrant#

280 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
3g-center.dkSimply.com A/S
4m-centre.dkSimply.com A/S
abyss.dkSimply.com A/S
accuwind.dkPunktum dk A/S (direct)
altimetry.dkPunktum dk A/S (direct)
alumniplus.dkPunktum dk A/S (direct)
antibiotikaresistens.dkPunktum dk A/S (direct)
antibody.dkDANDOMAIN A/S
arches2012.dkSimply.com A/S
aribah.dkPunktum dk A/S (direct)
bear-hearing.dkSimply.com A/S
bigq.dkSimply.com A/S
bigscience.dkWEB SOLUTIONS A/S
biobrug.dkPunktum dk A/S (direct)
biogasupgrade.dkPunktum dk A/S (direct)
biosensor.dkPunktum dk A/S (direct)
biotechacademy.dkPunktum dk A/S (direct)
boernenesuniversitet.dkSimply.com A/S
bonus-optimus.dkPunktum dk A/S (direct)
borger-cert.dkPunktum dk A/S (direct)
bridgingthegap.dkSimply.com A/S
børnenesuniversitet.dkPunktum dk A/S (direct)
carbospot.dkPunktum dk A/S (direct)
ccht.dkPunktum dk A/S (direct)
ce-readiness.dkPunktum dk A/S (direct)
ceinitiative.dkPunktum dk A/S (direct)
cemac.dkPunktum dk A/S (direct)
cert.dkPunktum dk A/S (direct)
cewqo2017.dkSimply.com A/S
chemsafe.dkPunktum dk A/S (direct)
chips-competence-centre.dkSimply.com A/S
cifq.dkPunktum dk A/S (direct)
coherent-project.dkPunktum dk A/S (direct)
computerome.dkPunktum dk A/S (direct)
comstat.dkPunktum dk A/S (direct)
covidtest.dkPunktum dk A/S (direct)
cpcs.dkPunktum dk A/S (direct)
cph-food.dkPunktum dk A/S (direct)
cphfuture.dkPunktum dk A/S (direct)
cvt.dkPunktum dk A/S (direct)
da-gate.dkPunktum dk A/S (direct)
dacin.dkPunktum dk A/S (direct)
danchip.dkPunktum dk A/S (direct)
danida-gecko.dkPunktum dk A/S (direct)
danish-universities.dkPROCOPA IT ApS
danishdays.dkPunktum dk A/S (direct)
danishuniversities.dkPROCOPA IT ApS
danscatt.dkSimply.com A/S
danske-universiteter.dkPROCOPA IT ApS
danskeuniversiteter.dkPROCOPA IT ApS
darenet.dkPunktum dk A/S (direct)
datasikkerhedsbladet.dkPunktum dk A/S (direct)
dccsm.dkPunktum dk A/S (direct)
dcf-denmark.dkPunktum dk A/S (direct)
dcrs.dkPunktum dk A/S (direct)
deic.dkPunktum dk A/S (direct)
derisk.dkPunktum dk A/S (direct)
detrigtigelaboratorium.dkPunktum dk A/S (direct)
dffv.dkPunktum dk A/S (direct)
difres.dkDANDOMAIN A/S
dig-e.dkPunktum dk A/S (direct)
digitalenergy.dkPunktum dk A/S (direct)
digitalenergylab.dkPunktum dk A/S (direct)
dix.dkPunktum dk A/S (direct)
dk-cert.dkPunktum dk A/S (direct)
dk-healthcareinnovation.dkPunktum dk A/S (direct)
dkcert.dkPunktum dk A/S (direct)
dnsc.dkPunktum dk A/S (direct)
doll-labs.dkPunktum dk A/S (direct)
dronevideotech.dkPunktum dk A/S (direct)
dsagm.dkPunktum dk A/S (direct)
dsri.dkPunktum dk A/S (direct)
dtb.dkPunktum dk A/S (direct)
dtf.dkPunktum dk A/S (direct)
dtic.dkPunktum dk A/S (direct)
dtu-alarm.dkSimply.com A/S
dtu.dkPunktum dk A/S (direct)
dtub.dkPunktum dk A/S (direct)
dtubusiness.dkPunktum dk A/S (direct)
dtusat.dkPunktum dk A/S (direct)
dtutest.dkPunktum dk A/S (direct)
dtv.dkPunktum dk A/S (direct)
dunet.dkDanmarks Tekniske Universitet
duraledge.dkPunktum dk A/S (direct)
e-universitet.dkPunktum dk A/S (direct)
eduhub.dkDANDOMAIN A/S
eduroam.dkPunktum dk A/S (direct)
eel-hatch.dkPunktum dk A/S (direct)
efsa.dkPunktum dk A/S (direct)
elchemea.dkPunktum dk A/S (direct)
energipaalager.dkPunktum dk A/S (direct)
energydata.dkPunktum dk A/S (direct)
energyinnovationhub.dkPunktum dk A/S (direct)
energylivelab.dkPunktum dk A/S (direct)
entrepreneurial.dkPunktum dk A/S (direct)
erc-electrothermo.dkPunktum dk A/S (direct)
esabic.dkPunktum dk A/S (direct)
euniversitet.dkPunktum dk A/S (direct)
eurocc.dkPunktum dk A/S (direct)
europaeisk-aal.dkSimply.com A/S

Showing 100 of 280.

📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
28ms
MX
37ms
AAAA
27ms
TXT
227ms
CAA
32ms
HTTPS
34ms
TLSA
90ms
SOA
45ms
MTA-STS
79ms
DNSSEC
102ms
SRV
191ms
Total
1600ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-26 21:16:46 6854ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-14 20:21:22 shown 1600ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-09 05:18:57 2401ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-30 03:33:44 4044ms 2 NS 1 A 3 MX 🔒 Secure
2026-07-02 01:22:32 1228ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 08:15:26 1001ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 08:15:18 796ms 2 NS 1 A 3 MX 🔒 Secure
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