isobel.dk

Records from scan: 2026-09-25 06:52:03  ·  567ms total  ·  last checked 2026-10-22 08:16 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isobel.dk is a .dk domain served by 2 nameservers (ns1.aau.dk, ns2.aau.dk). It was registered on 14 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.57.55 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.aau.dk 130.225.52.5
2001:878:300:1::5		 ns1.aau.dk
ns1.aau.dk		 AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.aau.dk 130.225.54.5
2001:878:300:100::5		 ns2.aau.dk
ns2.aau.dk		 AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.57.55 3600s — AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark —

📧 MX Records#

1 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   251ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (isobel.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.isobel.dk)
p=reject v=DMARC1; p=reject;

📬 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#

checked 2026-10-09 15:10:12
www130.225.57.55 (AS1835) (address records, no CNAME)
www vs bare domainSame network
isobel.dk: 130.225.57.55 (AS1835)
www.isobel.dk: 130.225.57.55 (AS1835)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.isobel.dk 24ace6a9-f002-4c61-ae25-d2011787b508.acme.aau.dk
TXT 24ace6a9-f002-4c61-ae25-d2011787b508.acme.aau.dk 8zXDeb7dloR-XC32A-4mr33JJoDro0J0TyXTykYbcdM
TXT 24ace6a9-f002-4c61-ae25-d2011787b508.acme.aau.dk hbq1EriyRCow4SyQlwfS-JCtBwEHGPQzZdEMh0evLks

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2023062301
Primary NS (MNAME)ns1.aau.dk
Responsible (RNAME)hostmaster@its.aau.dk
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-22 07:34:49
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-10-14
Expires2026-10-31 (9d)

🔗 Same registrant#

170 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
3dgi.dkPunktum dk A/S (direct)
4dh.dkPunktum dk A/S (direct)
aabenthusaalborg.dkPunktum dk A/S (direct)
aalborg-universitet.dkPunktum dk A/S (direct)
aalborg-universitetsbibliotek.dkPunktum dk A/S (direct)
aalborg-university.dkPunktum dk A/S (direct)
aalborgbusinessschool.dkPunktum dk A/S (direct)
aalborguniversitet.dkPunktum dk A/S (direct)
aalborguniversitetsbibliotek.dkPunktum dk A/S (direct)
aau-bbm.dkPunktum dk A/S (direct)
aau-build.dkPunktum dk A/S (direct)
aau-cph.dkPunktum dk A/S (direct)
aau-kbh.dkPunktum dk A/S (direct)
aau.dkPunktum dk A/S (direct)
aaubuild.dkPunktum dk A/S (direct)
aaucph.dkPunktum dk A/S (direct)
aauentrepreneurs.dkPunktum dk A/S (direct)
aauk.dkPunktum dk A/S (direct)
aauni.dkPunktum dk A/S (direct)
aausat3.dkPunktum dk A/S (direct)
aausat4.dkPunktum dk A/S (direct)
aausat5.dkPunktum dk A/S (direct)
aausat6.dkPunktum dk A/S (direct)
aausat7.dkPunktum dk A/S (direct)
aausat8.dkPunktum dk A/S (direct)
aausatii.dkPunktum dk A/S (direct)
aautest.dkPunktum dk A/S (direct)
aauvalg.dkPunktum dk A/S (direct)
active-mind.dkPunktum dk A/S (direct)
ad-studies.dkPunktum dk A/S (direct)
adapt-t2d.dkPunktum dk A/S (direct)
aeromobility.dkPunktum dk A/S (direct)
ai-mat.dkPunktum dk A/S (direct)
aktionsforskning.dkPunktum dk A/S (direct)
almenboligforalle.dkPunktum dk A/S (direct)
almeneboligerforalle.dkPunktum dk A/S (direct)
alternativisolering.dkPunktum dk A/S (direct)
architecturaldesigner.dkPunktum dk A/S (direct)
baeredygtigesynergier.dkPunktum dk A/S (direct)
be21.dkPunktum dk A/S (direct)
becf.dkPunktum dk A/S (direct)
bedstformig.dkPunktum dk A/S (direct)
beregningsprogrammet.dkPunktum dk A/S (direct)
betterhearing.dkPunktum dk A/S (direct)
blivlandinspektoer.dkPunktum dk A/S (direct)
blivlandinspektor.dkPunktum dk A/S (direct)
borgerbidrag.dkPunktum dk A/S (direct)
bpdag.dkPunktum dk A/S (direct)
branalyse.dkPunktum dk A/S (direct)
build-kurser.dkPunktum dk A/S (direct)
build.dkONE.COM A/S
buildt.dkPunktum dk A/S (direct)
built.dkPunktum dk A/S (direct)
by-byg.dkPunktum dk A/S (direct)
bybyg.dkPunktum dk A/S (direct)
byforskerne.dkPunktum dk A/S (direct)
bygforsk.dkPunktum dk A/S (direct)
byggedialog.dkPunktum dk A/S (direct)
byggeevaluering.dkPunktum dk A/S (direct)
byggeforskning.dkPunktum dk A/S (direct)
byggeprocesdag.dkPunktum dk A/S (direct)
byggerioginformatik.dkPunktum dk A/S (direct)
bygningsfysikdag.dkPunktum dk A/S (direct)
ccws.dkPunktum dk A/S (direct)
cebe.dkPunktum dk A/S (direct)
cedir.dkPunktum dk A/S (direct)
cigreaalborg2019.dkPunktum dk A/S (direct)
claaudia.dkPunktum dk A/S (direct)
co2action.dkPunktum dk A/S (direct)
copenhageninnovationharbor.dkPunktum dk A/S (direct)
cykeljakke.dkPunktum dk A/S (direct)
cykeljakken.dkPunktum dk A/S (direct)
dachi.dkPunktum dk A/S (direct)
datasteward.dkPunktum dk A/S (direct)
datastewards.dkPunktum dk A/S (direct)
datastewardship.dkPunktum dk A/S (direct)
dbur.dkPunktum dk A/S (direct)
dcea.dkPunktum dk A/S (direct)
designnews.dkPunktum dk A/S (direct)
designresearch.dkPunktum dk A/S (direct)
digitalhealthlab.dkPunktum dk A/S (direct)
dnf-aalborg.dkPunktum dk A/S (direct)
ecomacundervisning.dkPunktum dk A/S (direct)
ecswr2017.dkPunktum dk A/S (direct)
emotivo.dkPunktum dk A/S (direct)
energybox.dkPunktum dk A/S (direct)
energyplanning.dkPunktum dk A/S (direct)
engineeringandscience.dkPunktum dk A/S (direct)
exo-aider.dkPunktum dk A/S (direct)
fbktest.dkPunktum dk A/S (direct)
fidu.dkPunktum dk A/S (direct)
flytverden.dkPunktum dk A/S (direct)
fofodala.dkPunktum dk A/S (direct)
forskningsdata.dkPunktum dk A/S (direct)
forvaltningsretskonferencen.dkPunktum dk A/S (direct)
gbl21.dkPunktum dk A/S (direct)
hemaclass.dkPunktum dk A/S (direct)
hjerteportalen.dkPunktum dk A/S (direct)
iccas17.dkPunktum dk A/S (direct)
ictnorcom.dkPunktum dk A/S (direct)

Showing 100 of 170.

📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
52ms
MX
65ms
AAAA
56ms
TXT
251ms
CAA
49ms
HTTPS
47ms
TLSA
60ms
SOA
0ms
MTA-STS
71ms
DNSSEC
87ms
SRV
67ms
Total
567ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 06:52:03 shown 567ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-28 02:13:44 682ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 11:20:02 9387ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-02 09:40:19 700ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-18 00:25:34 4412ms 2 NS 1 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone