duet.dk

📜 Historical scan 2026-06-30 09:28:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duet.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

4 records   55ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC

🌍 A Records#

🌍
No A records found

📧 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   264ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.duet.dk)
p=reject v=DMARC1; p=reject; sp=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 2026-10-16 08:54:09
wwwExists, no address
www vs bare domainNeither resolves
duet.dk: no address
www.duet.dk: no address
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 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#

133ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2026011630
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-15 07:01:42
FieldValue
RegistrarEurodns S.A
Registered1997-10-02
Expires2026-12-31 (65d)

🔗 Same registrant#

631 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
1118.dkEurodns S.A
113online.dkEurodns S.A
12mobil.dkEurodns S.A
247e.dkEurodns S.A
247entertainment.dkEurodns S.A
4x90.dkEurodns S.A
70151880.dkEurodns S.A
90-numre.dkEurodns S.A
90909090.dkEurodns S.A
adacit.dkEurodns S.A
adact-it.dkEurodns S.A
adact.dkEurodns S.A
adactit.dkEurodns S.A
adslhome.dkEurodns S.A
afwa.dkEurodns S.A
aplus-mail.dkEurodns S.A
aplusfwa.dkEurodns S.A
aplusmail.dkEurodns S.A
appowerment.dkEurodns S.A
as4.dkEurodns S.A
baekkenet.dkEurodns S.A
balle-bredsted.dkEurodns S.A
baremobil.dkEurodns S.A
basisinternet.dkEurodns S.A
bdls.dkEurodns S.A
besked-service.dkEurodns S.A
besked-svar.dkEurodns S.A
beskedboks.dkEurodns S.A
bierstedaf.dkEurodns S.A
bigmail.dkEurodns S.A
bio.dkEurodns S.A
blue9.dkEurodns S.A
blueposition.dkEurodns S.A
blå-tone.dkEurodns S.A
blåtoner.dkEurodns S.A
boeger.dkEurodns S.A
boger.dkEurodns S.A
bolderslevnet.dkEurodns S.A
bpcloud.dkEurodns S.A
braedstrup-ant.dkEurodns S.A
brammingnet.dkEurodns S.A
branchesalg.dkEurodns S.A
bredbaand-adsl.dkEurodns S.A
bredbaand-portal.dkEurodns S.A
bredbaand-telefoni.dkEurodns S.A
bredbaand.dkEurodns S.A
bredbaandtelefoni.dkEurodns S.A
bredband2go.dkEurodns S.A
bredbånd-telefoni.dkEurodns S.A
bredbånd2go.dkEurodns S.A
bredbåndprivat.dkEurodns S.A
bredbåndsnet.dkEurodns S.A
bredbåndstv.dkEurodns S.A
bredbåndtelefoni.dkEurodns S.A
businessvideo.dkEurodns S.A
c-anl.dkEurodns S.A
cabeltalk.dkEurodns S.A
cafeer.dkEurodns S.A
ccelab.dkEurodns S.A
ccfactory.dkEurodns S.A
ccmessaging.dkEurodns S.A
chicks.dkEurodns S.A
cinema.dkEurodns S.A
cirque-udv.dkEurodns S.A
cloudvideo.dkEurodns S.A
connectlync.dkEurodns S.A
connectvideo.dkEurodns S.A
contactcentereurope.dkEurodns S.A
coopmobil.dkEurodns S.A
cpedev.dkEurodns S.A
cpemap.dkEurodns S.A
cpemon.dkEurodns S.A
crusade.dkEurodns S.A
cubeio.dkEurodns S.A
cyberdagen.dkEurodns S.A
cybersecuritydanmark.dkEurodns S.A
danmarksoplysningen.dkEurodns S.A
dinge-lin.dkEurodns S.A
dinge-link.dkEurodns S.A
dingelinks.dkEurodns S.A
dk4040.dkEurodns S.A
dknet.dkEurodns S.A
dyb-net.dkEurodns S.A
eeeasy.dkEurodns S.A
eesy.dkEurodns S.A
egeskovnet.dkEurodns S.A
ekstraservice.dkEurodns S.A
ekstraservices.dkEurodns S.A
epost-danmark.dkEurodns S.A
eqo.dkEurodns S.A
erhvervssalg.dkEurodns S.A
erhvervtdc.dkEurodns S.A
esenet.dkEurodns S.A
eunet.dkEurodns S.A
events.dkEurodns S.A
ewebprod-ekstern.dkEurodns S.A
ewebprod-intern.dkEurodns S.A
ewebprodblanketter.dkEurodns S.A
ewebprodekstern.dkEurodns S.A
ewebprodintern.dkEurodns S.A

Showing 100 of 631.

📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
37ms
MX
43ms
AAAA
48ms
TXT
264ms
CAA
51ms
HTTPS
40ms
TLSA
59ms
SOA
0ms
MTA-STS
112ms
DNSSEC
133ms
SRV
101ms
Total
715ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 08:54:09 1182ms 4 NS 0 A 0 MX 🔒 Secure
2026-10-15 06:51:04 1279ms 4 NS 0 A 0 MX 🔒 Secure
2026-10-14 06:04:42 914ms 4 NS 0 A 0 MX 🔒 Secure
2026-10-01 05:15:11 573ms 4 NS 0 A 0 MX 🔒 Secure
2026-09-27 03:17:48 611ms 4 NS 0 A 0 MX 🔒 Secure
2026-09-26 03:02:40 626ms 4 NS 0 A 0 MX 🔒 Secure
2026-09-08 05:58:52 826ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-21 05:12:59 11589ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-20 04:27:44 2165ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-19 03:20:05 2682ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-07 06:41:49 2657ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-01 05:43:38 694ms 4 NS 0 A 0 MX 🔒 Secure
2026-07-16 21:45:23 8650ms 4 NS 0 A 0 MX 🔒 Secure
2026-07-14 03:26:03 2827ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-30 09:28:21 shown 715ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-25 00:25:58 698ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-21 12:48:29 1026ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-17 04:55:38 387ms 4 NS 0 A 0 MX 🔒 Secure
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