fdu.dk

Records from scan: 2026-10-13 08:45:16  ·  1138ms total  ·  last checked 2026-10-16 12:57 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fdu.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 31 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.3.142.155 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mailgrinder.tdc.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   71ms
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#

1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.3.142.155 43200s mailgrinder.tdc.dk AS3292 TDC Holding A/S 193.3.142.0/24 🇩🇰 Denmark Taastrup

📧 MX Records#

1 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mailgrinder.tdc.dk 193.3.142.155 mailgrinder.tdc.dk AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   255ms
TXT Record
v=spf1 ip4:193.3.142.155 -all

✉️ SPF#

PolicyRecord (fdu.dk)
-all (hard fail) v=spf1 ip4:193.3.142.155 -all

📨 DMARC#

PolicyRecord (_dmarc.fdu.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#

checked 2026-10-13 08:45:16
wwwExists, no address
www vs bare domainwww does not resolve
fdu.dk: 193.3.142.155 (AS3292)
www.fdu.dk: no address
(all like this)
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#

147ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

98ms
FieldValue
Serial2026011450
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 09:16:12
FieldValue
RegistrarEurodns S.A
Registered2013-01-31
Expires2027-01-31 (106d)

🔗 Same registrant#

441 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
4x90.dkEurodns S.A
70151880.dkEurodns S.A
90909090.dkEurodns S.A
adslhome.dkEurodns S.A
afwa.dkEurodns S.A
aplus-mail.dkEurodns S.A
aplusmail.dkEurodns S.A
as4.dkEurodns S.A
balle-bredsted.dkEurodns S.A
basisinternet.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
boger.dkEurodns S.A
bpcloud.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
ccelab.dkEurodns S.A
chicks.dkEurodns S.A
cinema.dkEurodns S.A
cloudvideo.dkEurodns S.A
connectlync.dkEurodns S.A
connectvideo.dkEurodns S.A
contactcentereurope.dkEurodns S.A
coopmobil.dkEurodns S.A
cubeio.dkEurodns S.A
cyberdagen.dkEurodns S.A
danmarksoplysningen.dkEurodns S.A
dinge-lin.dkEurodns S.A
dinge-link.dkEurodns S.A
dingelinks.dkEurodns S.A
dknet.dkEurodns S.A
duet.dkEurodns S.A
eeeasy.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
ewebprod-ekstern.dkEurodns S.A
ewebprod-intern.dkEurodns S.A
ewebprodekstern.dkEurodns S.A
ewebprodtma.dkEurodns S.A
eye-see.dkEurodns S.A
fasttvnet.dkEurodns S.A
firmafon2.dkEurodns S.A
flexdata10.dkEurodns S.A
flexdata50.dkEurodns S.A
foreningsbredbånd.dkEurodns S.A
fototdconline.dkEurodns S.A
froekenklokken.dkEurodns S.A
frokenklokken.dkEurodns S.A
fwadk.dkEurodns S.A
fwaplus.dkEurodns S.A
gennemskueligepriser.dkEurodns S.A
globaldial-up.dkEurodns S.A
globaldialup.dkEurodns S.A
hjemmeadsl.dkEurodns S.A
hjemmebredbaand.dkEurodns S.A
hmctest1.dkEurodns S.A
hometrio.dkEurodns S.A
hvioptest.dkEurodns S.A
i-see.dkEurodns S.A
ikastsyd.dkEurodns S.A
internetsecurity.dkEurodns S.A
isee.dkEurodns S.A
jou-see.dkEurodns S.A
jousee.dkEurodns S.A
ju-see.dkEurodns S.A
jusee.dkEurodns S.A
kabel-tv.dkEurodns S.A
kabelbredbaand.dkEurodns S.A
kabelsnak.dkEurodns S.A
kabeltalk.dkEurodns S.A
kabeltv.dkEurodns S.A
kabeltvguide.dkEurodns S.A

Showing 100 of 441.

📋 WHOIS#

⏱️ Lookup Timing#

NS
71ms
A
60ms
MX
63ms
AAAA
78ms
TXT
255ms
CAA
70ms
HTTPS
56ms
TLSA
447ms
SOA
98ms
MTA-STS
108ms
DNSSEC
147ms
SRV
126ms
Total
1138ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 08:45:16 shown 1138ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-12 06:41:07 800ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-07 21:36:06 541ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 14:56:29 786ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-27 07:41:47 1749ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-26 07:35:47 656ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-24 21:17:20 651ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-23 21:02:22 636ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-09 02:11:04 1358ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 17:23:07 941ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-19 06:08:38 3907ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-17 18:55:16 1479ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-04 02:04:54 793ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-14 23:05:46 859ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 01:46:45 796ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 09:59:43 1163ms 4 NS 1 A 1 MX 🔒 Secure
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