dff.dk

📜 Historical scan 2026-09-26 07:33:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dff.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 19 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.64.157.92 is hosted by Statens IT (AS58282) in Denmark. Mail is handled by mx01.statens-it.dk, mx02.statens-it.dk and 6 more. The zone is DNSSEC-signed and validates, 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 236ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

1 records 214ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.64.157.92	300s	digst.faellesweb.dk en.digst.faellesweb.dk en.oem.faellesweb.dk en.oes.faellesweb.dk govcloud.dk intra.digst.faellesweb.dk oem.faellesweb.dk oes.faellesweb.dk statensindkob.faellesweb.dk	AS58282	Statens IT	188.64.152.0/21	🇩🇰 Denmark	Brønshøj

📧 MX Records#

8 records 202ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	600s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	600s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	600s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	600s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	600s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	600s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	600s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 9434ms

TXT Record
v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 include:_spf.presscloud.com -all

✉️ SPF#

Policy	Record (dff.dk)
-all (hard fail)	v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 include:_spf.presscloud.com -all

📨 DMARC#

Policy	Record (_dmarc.dff.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tcod1eh2@tls.eu.dmarcadvisor.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 09:52:21

www CNAME	dff.dk (all on dff.dk) → 188.64.157.92 (AS58282)
www vs bare domain	Same network dff.dk: 188.64.157.92 (AS58282) www.dff.dk: 188.64.157.92 (AS58282)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

16 records 5449ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…

🔐 DNSSEC#

941ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	14154
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 01:20:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-04-19
Expires	2031-06-30 (1717d)

🔗 Same registrant#

1,719 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
1001fortaellinger.dk	Punktum dk A/S (direct)
1001fortællinger.dk	Punktum dk A/S (direct)
1001stories.dk	Punktum dk A/S (direct)
1001tales.dk	Punktum dk A/S (direct)
1fm.dk	Punktum dk A/S (direct)
2025denmark.dk	Punktum dk A/S (direct)
2025eu.dk	Punktum dk A/S (direct)
25fantastiske.dk	Punktum dk A/S (direct)
33980000.dk	Punktum dk A/S (direct)
3gf.dk	Punktum dk A/S (direct)
aabenhedsordning.dk	Punktum dk A/S (direct)
aaop.dk	Punktum dk A/S (direct)
aapost.dk	Punktum dk A/S (direct)
academycouncil.dk	Punktum dk A/S (direct)
addom.dk	Punktum dk A/S (direct)
adfaerdsprincipper.dk	Punktum dk A/S (direct)
adfærdsprincipper.dk	Punktum dk A/S (direct)
adgangforalle.dk	Punktum dk A/S (direct)
adressebrug.dk	Punktum dk A/S (direct)
adresseret.dk	Punktum dk A/S (direct)
adressetip.dk	Punktum dk A/S (direct)
aeldre.dk	Punktum dk A/S (direct)
aeldreform.dk	Punktum dk A/S (direct)
aeldreministeriet.dk	Punktum dk A/S (direct)
aeldrereform.dk	Punktum dk A/S (direct)
aeldrereformen.dk	Punktum dk A/S (direct)
affaldssorteringnytter.dk	Punktum dk A/S (direct)
aflk.dk	Statens It
ai-test.dk	Punktum dk A/S (direct)
airpassenger.dk	Punktum dk A/S (direct)
akademiraadet.dk	Punktum dk A/S (direct)
alderstjek.dk	Punktum dk A/S (direct)
aldersverifikation.dk	Punktum dk A/S (direct)
aldertjek.dk	Punktum dk A/S (direct)
alt-id.dk	Punktum dk A/S (direct)
altid.dk	Statens It
altomforbrug.dk	Punktum dk A/S (direct)
altomkaeledyr.dk	Punktum dk A/S (direct)
altomkæledyr.dk	Punktum dk A/S (direct)
ambassade.dk	Punktum dk A/S (direct)
ambassadeoversigt.dk	Punktum dk A/S (direct)
amff.dk	Punktum dk A/S (direct)
ami.dk	Punktum dk A/S (direct)
amid.dk	Punktum dk A/S (direct)
amkom.dk	Punktum dk A/S (direct)
amr.dk	Punktum dk A/S (direct)
anke-energi.dk	Punktum dk A/S (direct)
anklagemyndighedenupdate.dk	Punktum dk A/S (direct)
anklagerupdate.dk	Punktum dk A/S (direct)
anskaffelsesguiden.dk	Punktum dk A/S (direct)
antennedatabase.dk	Punktum dk A/S (direct)
antennedatabasen.dk	Punktum dk A/S (direct)
antennerne-ude.dk	Punktum dk A/S (direct)
antennerneude.dk	Punktum dk A/S (direct)
appollon.dk	Punktum dk A/S (direct)
arbejdsmarkedsbalancen.dk	Punktum dk A/S (direct)
arbejdsmarkedskommissionen.dk	Punktum dk A/S (direct)
arbejdsmiljo.dk	Punktum dk A/S (direct)
arbejdsmiljoeprisen.dk	Punktum dk A/S (direct)
arbejdsmiljoviden.dk	Punktum dk A/S (direct)
arbejdsretten.dk	Punktum dk A/S (direct)
arbejdstilsynet.dk	Punktum dk A/S (direct)
artikelimportborger.dk	Punktum dk A/S (direct)
artisticresearch.dk	Punktum dk A/S (direct)
artportalen.dk	Punktum dk A/S (direct)
arts-portal.dk	Punktum dk A/S (direct)
artsdata.dk	Punktum dk A/S (direct)
at-cloud.dk	Punktum dk A/S (direct)
at-kørebog.dk	Punktum dk A/S (direct)
atbm-cloud.dk	Punktum dk A/S (direct)
atkoerebog.dk	Punktum dk A/S (direct)
atkorebog.dk	Punktum dk A/S (direct)
atkørebog.dk	Punktum dk A/S (direct)
atp-anke.dk	Punktum dk A/S (direct)
autorisationsregister.dk	Punktum dk A/S (direct)
autorisationsregisteret.dk	Punktum dk A/S (direct)
autorisationsregistret.dk	Punktum dk A/S (direct)
autreg.dk	Punktum dk A/S (direct)
b0rger.dk	Punktum dk A/S (direct)
babykemi.dk	Punktum dk A/S (direct)
baeb.dk	Punktum dk A/S (direct)
baebm.dk	Punktum dk A/S (direct)
bedreinnovation.dk	Punktum dk A/S (direct)
bedst-paa-nettet.dk	Punktum dk A/S (direct)
bedstpaanettet.dk	Punktum dk A/S (direct)
bedstpånettet.dk	Punktum dk A/S (direct)
beredskabsministeriet.dk	Punktum dk A/S (direct)
beredskabsuge.dk	Punktum dk A/S (direct)
beredskabsugen.dk	Punktum dk A/S (direct)
beskyttedenaturtyper.dk	Punktum dk A/S (direct)
bestillingsapplikation.dk	Punktum dk A/S (direct)
bibliotekernesprojektbank.dk	Punktum dk A/S (direct)
bibliotekogmedier.dk	Punktum dk A/S (direct)
biblioteksstyrelsen.dk	Punktum dk A/S (direct)
bilsynsrapport.dk	Punktum dk A/S (direct)
bilsynsrapporter.dk	Punktum dk A/S (direct)
bilviden.dk	Punktum dk A/S (direct)
biocides.dk	Punktum dk A/S (direct)
biocidinfo.dk	Punktum dk A/S (direct)
biocidinformation.dk	Punktum dk A/S (direct)

Showing 100 of 1,719.

📋 WHOIS#

⏱️ Lookup Timing#

236ms

214ms

202ms

AAAA

221ms

TXT

9434ms

CAA

667ms

HTTPS

209ms

TLSA

5449ms

SOA

0ms

MTA-STS

238ms

DNSSEC

941ms

SRV

803ms

Total

20277ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 09:52:21	3221ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-15 06:10:42	3268ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-14 03:24:15	6874ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-13 01:03:43	5102ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-11 23:03:22	17929ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-10 22:34:49	9573ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-09 17:18:57	1593ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-08 15:37:17	17802ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-07 15:32:01	11290ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-06 10:13:28	18367ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-05 09:33:54	5372ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-04 09:28:48	1005ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-03 09:27:54	5178ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-02 09:26:46	10114ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-01 09:23:53	1912ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-30 09:12:43	17513ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-29 09:00:08	1926ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-28 07:55:10	17641ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-27 07:39:55	17455ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-26 07:33:11 shown	20277ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-25 07:17:53	1736ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-24 07:05:04	10125ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-21 22:34:43	9566ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-18 21:29:09	10066ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-12 08:25:15	18204ms	2 NS 1 A 8 MX	🔒 Secure