dfu-nettet.dk

📜 Historical scan 2026-09-11 17:31:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dfu-nettet.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, dan.ns.cloudflare.com). It was registered on 18 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.15 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 118ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.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 141ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.15	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.222.54	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 128ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:360f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:de36	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 126ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.15,172.67.222.54 ech=AEX+DQBB3AAgACBwFgRh/Nt5dvNhL9w5hRs6L/O30NnYyFzO/O2jA39NSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:360f,2606:4700:3033::ac43:de36

📝 TXT Records#

1 records 244ms

TXT Record
v=spf1 ip4:162.55.97.110 include:spf.azehosting.net +a +mx +ip4:168.119.142.237 +ip4:168.119.147.190 +ip4:116.202.245.110 ~all

✉️ SPF#

Policy	Record (dfu-nettet.dk)
~all (soft fail)	v=spf1 ip4:162.55.97.110 include:spf.azehosting.net +a +mx +ip4:168.119.142.237 +ip4:168.119.147.190 +ip4:116.202.245.110 ~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 2026-10-08 21:09:32

www	104.21.54.15 172.67.222.54 2606:4700:3031::6815:360f 2606:4700:3033::ac43:de36 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dfu-nettet.dk: 104.21.54.15 172.67.222.54 2606:4700:3031::6815:360f 2606:4700:3033::ac43:de36 (AS13335) www.dfu-nettet.dk: 104.21.54.15 172.67.222.54 2606:4700:3031::6815:360f 2606:4700:3033::ac43:de36 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dfu-nettet.dk	K-woTDG8VEfpzNYSFYNvqeF4Vf8nKKs2-Zkv8bQMI3w
TXT	_acme-challenge.dfu-nettet.dk	QSEFNafdCGgjUz8V0k5EUQu3PFOsI9HJDGwqrxi2WFI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

183ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414599724
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-25 16:10:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-06-18
Expires	2027-06-30 (246d)

🔗 Same registrant#

272 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).

Domain	Registrar
123festdjs.dk	Punktum dk A/S (direct)
1april.dk	Punktum dk A/S (direct)
24-1alarm.dk	Punktum dk A/S (direct)
24-1service.dk	Punktum dk A/S (direct)
247tilbud.dk	Punktum dk A/S (direct)
24opdateret.dk	Punktum dk A/S (direct)
3go.dk	Punktum dk A/S (direct)
3hg.dk	Punktum dk A/S (direct)
4pro.dk	Punktum dk A/S (direct)
7seconds.dk	Punktum dk A/S (direct)
8752-ostbirk.dk	Punktum dk A/S (direct)
8ball.dk	Punktum dk A/S (direct)
absb.dk	Punktum dk A/S (direct)
adit.dk	Punktum dk A/S (direct)
aforum.dk	Punktum dk A/S (direct)
akantus-maler.dk	Punktum dk A/S (direct)
akh.dk	Punktum dk A/S (direct)
aktivapp.dk	Punktum dk A/S (direct)
al-fa.dk	Punktum dk A/S (direct)
alu-info.dk	Punktum dk A/S (direct)
anarcho.dk	Punktum dk A/S (direct)
animalis.dk	Punktum dk A/S (direct)
annewinthershop.dk	Punktum dk A/S (direct)
anrhit.dk	Punktum dk A/S (direct)
aofmiddelfart.dk	Punktum dk A/S (direct)
apvpc.dk	Punktum dk A/S (direct)
archfutura.dk	Punktum dk A/S (direct)
artbykobborg.dk	Punktum dk A/S (direct)
attack.dk	Punktum dk A/S (direct)
aventure.dk	Punktum dk A/S (direct)
azurmalerne.dk	Punktum dk A/S (direct)
baerbare.dk	Punktum dk A/S (direct)
bakkegarden.dk	Punktum dk A/S (direct)
baunehoejskolen.dk	Punktum dk A/S (direct)
be-my-shadow.dk	Punktum dk A/S (direct)
bfis.dk	Punktum dk A/S (direct)
bfkc.dk	Punktum dk A/S (direct)
billigdildo.dk	Punktum dk A/S (direct)
bimp.dk	Punktum dk A/S (direct)
biocenter.dk	Punktum dk A/S (direct)
bksmash.dk	Punktum dk A/S (direct)
bombayfly.dk	Punktum dk A/S (direct)
boomfiliate.dk	Punktum dk A/S (direct)
bryllup-negle.dk	Punktum dk A/S (direct)
buksepigen.dk	Punktum dk A/S (direct)
burmesecats.dk	Punktum dk A/S (direct)
businessbar.dk	Punktum dk A/S (direct)
calls.dk	Punktum dk A/S (direct)
catch22.dk	Punktum dk A/S (direct)
chb.dk	Punktum dk A/S (direct)
chemtox.dk	Punktum dk A/S (direct)
cinegraf.dk	Punktum dk A/S (direct)
clr.dk	Punktum dk A/S (direct)
comedancewithme.dk	Punktum dk A/S (direct)
coolbeauty.dk	Punktum dk A/S (direct)
cope-gruppen.dk	Punktum dk A/S (direct)
copenhagenartrun.dk	Punktum dk A/S (direct)
corewear.dk	Punktum dk A/S (direct)
crap.dk	Punktum dk A/S (direct)
customproductsplugin.dk	Punktum dk A/S (direct)
cykelevent.dk	Punktum dk A/S (direct)
cyklingfyn.dk	Punktum dk A/S (direct)
dagensmail.dk	Punktum dk A/S (direct)
dandele.dk	Punktum dk A/S (direct)
dbdok.dk	Punktum dk A/S (direct)
dbftp.dk	Punktum dk A/S (direct)
debusy.dk	Punktum dk A/S (direct)
decra-tagekspert.dk	Punktum dk A/S (direct)
delicious-vejle.dk	Punktum dk A/S (direct)
den-tyske-jagtterrier.dk	Punktum dk A/S (direct)
denstorenyhed.dk	Punktum dk A/S (direct)
divecenter.dk	Punktum dk A/S (direct)
dmgmalt.dk	Punktum dk A/S (direct)
dor.dk	Punktum dk A/S (direct)
dortekarrebaek.dk	Punktum dk A/S (direct)
drive-by-shooting.dk	Punktum dk A/S (direct)
duas-bolig.dk	Punktum dk A/S (direct)
duasbolig.dk	Simply.com A/S
duckfall.dk	Punktum dk A/S (direct)
dukkreds5.dk	Punktum dk A/S (direct)
dxl.dk	Punktum dk A/S (direct)
e-3.dk	Punktum dk A/S (direct)
e-papir.dk	Punktum dk A/S (direct)
e2000.dk	Punktum dk A/S (direct)
ecap.dk	Punktum dk A/S (direct)
efor.dk	Punktum dk A/S (direct)
egnskoret.dk	Punktum dk A/S (direct)
elcom.dk	Punktum dk A/S (direct)
elektronik-forsikring2.dk	Punktum dk A/S (direct)
eng-husene.dk	Punktum dk A/S (direct)
erc.dk	Punktum dk A/S (direct)
fantasien-legoghobby.dk	Punktum dk A/S (direct)
fanten.dk	Punktum dk A/S (direct)
fcr-ungdom.dk	Punktum dk A/S (direct)
feltpost.dk	Punktum dk A/S (direct)
fema.dk	Punktum dk A/S (direct)
fgu-281041.dk	Punktum dk A/S (direct)
findure.dk	Punktum dk A/S (direct)
finger-touch.dk	Punktum dk A/S (direct)
fingertouch.dk	Punktum dk A/S (direct)

Showing 100 of 272.

📋 WHOIS#

⏱️ Lookup Timing#

118ms

141ms

88ms

AAAA

128ms

TXT

244ms

CAA

120ms

HTTPS

126ms

TLSA

431ms

SOA

0ms

MTA-STS

131ms

DNSSEC

183ms

SRV

139ms

Total

1611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 17:43:42	2421ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 03:12:18	684ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 14:21:21	726ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-11 17:31:19 shown	1611ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 08:12:41	9555ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-22 15:39:07	3976ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-25 14:14:23	17017ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 14:37:24	886ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 00:37:30	621ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 12:09:40	598ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 02:35:51	580ms	3 NS 1 A 1 MX	🔓 Insecure