abcu.dk

📜 Historical scan 2026-09-01 17:10:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

abcu.dk is a .dk domain served by 2 nameservers (harley.ns.cloudflare.com, kara.ns.cloudflare.com). It was registered on 28 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.37 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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   106ms
NameserverIP addressesPTRASN / ISP
harley.ns.cloudflare.com 108.162.195.128
162.159.44.128
172.64.35.128
2606:4700:58::a29f:2c80
2803:f800:50::6ca2:c380
2a06:98c1:50::ac40:2380		 harley.ns.cloudflare.com
harley.ns.cloudflare.com
harley.ns.cloudflare.com
harley.ns.cloudflare.com
harley.ns.cloudflare.com
harley.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
kara.ns.cloudflare.com 108.162.192.123
172.64.32.123
173.245.58.123
2606:4700:50::adf5:3a7b
2803:f800:50::6ca2:c07b
2a06:98c1:50::ac40:207b		 kara.ns.cloudflare.com
kara.ns.cloudflare.com
kara.ns.cloudflare.com
kara.ns.cloudflare.com
kara.ns.cloudflare.com
kara.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   119ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.64.37 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.175.233 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   90ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:afe9 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:4025 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   99ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.64.37,172.67.175.233 ech=AEX+DQBBBQAgACAI29LdIGQ823magvHOCa+pRkW7nk1DjW8Pq9PWICq3WgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:afe9,2606:4700:3033::6815:4025

📝 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 2026-10-09 09:58:04
www104.21.64.37 172.67.175.233 2606:4700:3031::ac43:afe9 2606:4700:3033::6815:4025 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.abcu.dk el9jOqVRRcQHo-_kDze6wZx7RlKvpNeHmidDTPEuqIk
TXT _acme-challenge.abcu.dk F0u-Gw58USPPHU1DzatfnjMv2S3apWIDd4J8fqZXaOo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

223ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413665503
Primary NS (MNAME)harley.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 13:32:47
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2022-07-28
Expires2027-07-27 (280d)

🔗 Same registrant#

527 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
13z.dkPunktum dk A/S (direct)
1feriebolig.dkPunktum dk A/S (direct)
1net.dkPunktum dk A/S (direct)
1outlets.dkPunktum dk A/S (direct)
2convert.dkPunktum dk A/S (direct)
3up.dkPunktum dk A/S (direct)
60dage.dkPunktum dk A/S (direct)
99s.dkPunktum dk A/S (direct)
aabne-samlinger.dkPunktum dk A/S (direct)
aarhus-gulvservice.dkPunktum dk A/S (direct)
ac-fan.dkPunktum dk A/S (direct)
acaao.dkPunktum dk A/S (direct)
acoustudio.dkPunktum dk A/S (direct)
addvaleur.dkPunktum dk A/S (direct)
admaker.dkPunktum dk A/S (direct)
agatplus.dkPunktum dk A/S (direct)
agentcherub.dkPunktum dk A/S (direct)
ai-linkbuilding.dkdns.services ApS
airgaze.dkPunktum dk A/S (direct)
aktie-app.dkPunktum dk A/S (direct)
aktie-udbytte.dkPunktum dk A/S (direct)
aktionslaering.dkPunktum dk A/S (direct)
almende.dkPunktum dk A/S (direct)
amagerlinedancers.dkPunktum dk A/S (direct)
amda.dkPunktum dk A/S (direct)
amerikanske-aktier.dkPunktum dk A/S (direct)
anetteqvick.dkPunktum dk A/S (direct)
anjadahlgaard.dkPunktum dk A/S (direct)
apfel-hk.dkPunktum dk A/S (direct)
aplodesign.dkPunktum dk A/S (direct)
appsdevelopment.dkPunktum dk A/S (direct)
artikel-linkbuilding.dkdns.services ApS
asmussenonline.dkPunktum dk A/S (direct)
atmosphaera.dkPunktum dk A/S (direct)
atterbakken.dkPunktum dk A/S (direct)
autooffer.dkPunktum dk A/S (direct)
bachblomsterremedier.dkPunktum dk A/S (direct)
bagemåtte.dkPunktum dk A/S (direct)
bagepapir.dkPunktum dk A/S (direct)
bakuri.dkPunktum dk A/S (direct)
basiclearning.dkPunktum dk A/S (direct)
basicwallpapers.dkPunktum dk A/S (direct)
basis-bolig.dkPunktum dk A/S (direct)
bballzone.dkPunktum dk A/S (direct)
bedside-crib.dkPunktum dk A/S (direct)
bedste-feriebyer.dkPunktum dk A/S (direct)
bedste-kæledyrsudstyr.dkPunktum dk A/S (direct)
bedste-linkbuilding.dkdns.services ApS
bedste-træningsudstyr.dkPunktum dk A/S (direct)
belysningsmaterial.dkPunktum dk A/S (direct)
bestinclass.dkPunktum dk A/S (direct)
betapp.dkPunktum dk A/S (direct)
bezh.dkPunktum dk A/S (direct)
billig-ferie-i-udlandet.dkPunktum dk A/S (direct)
billig-håndværker.dkPunktum dk A/S (direct)
billig-linkbuilding-service-i-danmark.dkdns.services ApS
billig-mode.dkPunktum dk A/S (direct)
billig-personlig-pleje.dkPunktum dk A/S (direct)
billige-designermøbler.dkPunktum dk A/S (direct)
billige-plejeprodukter.dkPunktum dk A/S (direct)
biludlejningkreta.dkPunktum dk A/S (direct)
biomega.dkPunktum dk A/S (direct)
bisstream.dkPunktum dk A/S (direct)
bjergesoehus.dkPunktum dk A/S (direct)
bloggerland.dkPunktum dk A/S (direct)
blogguide.dkPunktum dk A/S (direct)
blogide.dkPunktum dk A/S (direct)
bluepixel.dkPunktum dk A/S (direct)
boerne-toej.dkPunktum dk A/S (direct)
boernebogklub.dkPunktum dk A/S (direct)
boligboligbolig.dkPunktum dk A/S (direct)
boligservicebogen.dkPunktum dk A/S (direct)
boogiloo.dkPunktum dk A/S (direct)
boostadventure.dkPunktum dk A/S (direct)
brandavenue.dkPunktum dk A/S (direct)
brandngrow.dkPunktum dk A/S (direct)
brasidor.dkPunktum dk A/S (direct)
brugdinrampe.dkPunktum dk A/S (direct)
buit.dkPunktum dk A/S (direct)
bulgarianwine.dkPunktum dk A/S (direct)
bureau-1.dkPunktum dk A/S (direct)
businessbroen.dkPunktum dk A/S (direct)
businesskatapult.dkPunktum dk A/S (direct)
businessstressexpress.dkPunktum dk A/S (direct)
byens-biler.dkPunktum dk A/S (direct)
bysinne.dkPunktum dk A/S (direct)
bæredygtighed-modstandsdygtighed.dkPunktum dk A/S (direct)
caminovandringer.dkPunktum dk A/S (direct)
canisport.dkPunktum dk A/S (direct)
carefusion.dkPunktum dk A/S (direct)
cars4business.dkPunktum dk A/S (direct)
casino-bob.dkdns.services ApS
caviarpris.dkPunktum dk A/S (direct)
cenaturio.dkPunktum dk A/S (direct)
centerdata.dkPunktum dk A/S (direct)
centrumdemokraterne.dkPunktum dk A/S (direct)
chrennbjerg.dkPunktum dk A/S (direct)
chrisweb.dkPunktum dk A/S (direct)
city-driver.dkPunktum dk A/S (direct)
ckfklima.dkPunktum dk A/S (direct)

Showing 100 of 527.

📋 WHOIS#

⏱️ Lookup Timing#

NS
106ms
A
119ms
MX
102ms
AAAA
90ms
TXT
312ms
CAA
105ms
HTTPS
99ms
TLSA
119ms
SOA
0ms
MTA-STS
132ms
DNSSEC
223ms
SRV
137ms
Total
1024ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 09:58:04 481ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-08 21:32:37 2193ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-01 17:10:33 shown 1024ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-27 21:35:17 763ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 15:23:22 2450ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-03 13:17:02 10124ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-29 03:50:32 1188ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-22 05:27:35 2979ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-20 11:24:53 680ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-18 08:19:06 1099ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-16 12:38:09 645ms 4 NS 1 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone