gbl21.dk

📜 Historical scan 2026-06-17 09:22:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gbl21.dk is a .dk domain served by 2 nameservers (ns1.aau.dk, ns2.aau.dk). It was registered on 27 November 2015 (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. 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#

2 records   104ms
NameserverIP addressesPTRASN / ISP
ns1.aau.dk — — —
ns2.aau.dk — — —

🌍 A Records#

1 records   113ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.57.55 — — AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   296ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (gbl21.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.gbl21.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#

latest probe, not this scan · checked 2026-10-08 01:11:28
www130.225.57.55 (AS1835) (address records, no CNAME)
www vs bare domainSame network
gbl21.dk: 130.225.57.55 (AS1835)
www.gbl21.dk: 130.225.57.55 (AS1835)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

243ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

2055ms
FieldValue
Serial2023091901
Primary NS (MNAME)ns1.aau.dk
Responsible (RNAME)hostmaster@its.aau.dk
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-16 23:44:40
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2015-11-27
Expires2026-11-30 (42d)

🔗 Same registrant#

125 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)
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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)
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)
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)
alternativisolering.dkPunktum dk A/S (direct)
architecturaldesigner.dkPunktum dk A/S (direct)
baeredygtigesynergier.dkPunktum dk A/S (direct)
bedstformig.dkPunktum dk A/S (direct)
beregningsprogrammet.dkPunktum dk A/S (direct)
betterhearing.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)
byggedialog.dkPunktum dk A/S (direct)
byggeprocesdag.dkPunktum dk A/S (direct)
byggerioginformatik.dkPunktum dk A/S (direct)
bygningsfysikdag.dkPunktum dk A/S (direct)
cebe.dkPunktum dk A/S (direct)
cedir.dkPunktum dk A/S (direct)
claaudia.dkPunktum dk A/S (direct)
co2action.dkPunktum dk A/S (direct)
copenhageninnovationharbor.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)
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)
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)
forskningsdata.dkPunktum dk A/S (direct)
forvaltningsretskonferencen.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)
indeklimadag.dkPunktum dk A/S (direct)
innokids.dkPunktum dk A/S (direct)
innovativtsamfund.dkPunktum dk A/S (direct)
juraenshus.dkPunktum dk A/S (direct)
labwelfaretech.dkPunktum dk A/S (direct)
labwellfaretech.dkPunktum dk A/S (direct)
lcabuild.dkPunktum dk A/S (direct)
lcbuild.dkPunktum dk A/S (direct)
lcby.dkPunktum dk A/S (direct)
lccbuild.dkPunktum dk A/S (direct)
lccbyg.dkPunktum dk A/S (direct)
levetider.dkPunktum dk A/S (direct)
menneskerettighedskonference.dkPunktum dk A/S (direct)
miljoemaster.dkPunktum dk A/S (direct)
miljøplusplus.dkPunktum dk A/S (direct)
mobilitymaster.dkPunktum dk A/S (direct)
mpa-aau.dkPunktum dk A/S (direct)
musikterapi.dkPunktum dk A/S (direct)
mytrack.dkPunktum dk A/S (direct)
nabolagsatlas.dkPunktum dk A/S (direct)
nationaløkonomiaau.dkPunktum dk A/S (direct)

Showing 100 of 125.

📋 WHOIS#

⏱️ Lookup Timing#

NS
104ms
A
113ms
MX
2106ms
AAAA
95ms
TXT
296ms
CAA
103ms
HTTPS
138ms
TLSA
1636ms
SOA
2055ms
MTA-STS
56ms
DNSSEC
243ms
SRV
0ms
Total
4225ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 01:11:28 486ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-29 15:01:33 1523ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-25 15:21:01 2349ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-27 03:17:23 633ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-22 22:44:48 734ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-17 09:22:16 shown 4225ms 2 NS 1 A 0 MX 🔓 Insecure
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