tdk.dk

📜 Historical scan 2026-06-18 00:34:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdk.dk is a .dk domain served by 2 nameservers (auth01.ns.tele.dk, auth02.ns.tele.dk). It was registered on 8 March 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by localhost.tdk.dk. The zone is not DNSSEC-signed, 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
auth01.ns.tele.dk	2001:6c8:2:400::166 62.243.0.166	auth01.ns.tele.dk auth01.ns.tele.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S
auth02.ns.tele.dk	194.192.207.166 2001:6c8:4:400::166	auth02.ns.tele.dk auth02.ns.tele.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	localhost.tdk.dk	127.0.0.1	localhost	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 74ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	lcsapsrv01.tdc.dk

📝 TXT Records#

11 records 230ms

TXT Record
_globalsign-domain-verification=-tIOzAi00LPqR6Z7lN8wa4pYZ80IiuALKfplyjXA9X
_globalsign-domain-verification=6G6foY65ji7unG0rCZnd2xfd-O-Nqo1BWy1oViuvtJ
_globalsign-domain-verification=6H0A4EI__v-OTGspoBF3cMAcZC48EUeM5xgVBpgvGY
_globalsign-domain-verification=dZ_u-N4TJWTv-iEqTVa6svoyivl7fecMSJNJJ65Jmb
_globalsign-domain-verification=OorpW1-TOgedbVugizWvFoEgFkgms1RPRipNOjZT_l
_globalsign-domain-verification=OPDdsyAmGLLRq4uSjKr22FQmlZ1Q08dmLtmhUjugCo
_globalsign-domain-verification=pJhzkW1Gl7oNOGN2M-4xjsFML3yx_LRRr3hzYa8Hrj
_globalsign-domain-verification=S5Xj-hvlL7p524oZ4zMDLxuWOMZl5lF-E9popykeXs
_globalsign-domain-verification=tLojo-ge0tXqT9nEmkUDDjsf3NwWS0fz1hb9xzIYr8
FNCNDK5J
v=spf1 -all

✉️ SPF#

Policy	Record (tdk.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tdk.dk)
p=reject	v=DMARC1; p=reject; sp=reject; fo=0; rua=mailto:cv1zdpyr@ag.dmarcian-eu.com; ruf=mailto:cv1zdpyr@fr.dmarcian-eu.com;

📬 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 2026-10-10 16:04:13

www	NXDOMAIN
www vs bare domain	Neither resolves tdk.dk: no address www.tdk.dk: no address
Wildcard	No

🔎 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#

55ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

32ms

Field	Value
Serial	2024081203
Primary NS (MNAME)	auth01.ns.tele.dk
Responsible (RNAME)	dns@eng.tdc.net
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-12 13:15:23

Field	Value
Registrar	Eurodns S.A
Registered	1995-03-08
Expires	2027-03-31 (163d)

🔗 Same registrant#

27 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
businessnet.dk	Eurodns S.A
csirt.dk	Eurodns S.A
fasttv.dk	Eurodns S.A
mitwifi.dk	Eurodns S.A
nuudayinfo.dk	Eurodns S.A
nuuuday.dk	Eurodns S.A
tdc-cert.dk	Eurodns S.A
tdc-csirt-soc.dk	Eurodns S.A
tdc-csirt.dk	Eurodns S.A
tdc-csirtsoc.dk	Eurodns S.A
tdc-proton.dk	Eurodns S.A
tdc-red.dk	Eurodns S.A
tdc-soc-cert.dk	Eurodns S.A
tdc-soc-csirt.dk	Eurodns S.A
tdc-soc.dk	Eurodns S.A
tdc-soccert.dk	Eurodns S.A
tdc-soccsirt.dk	Eurodns S.A
tdcdev.dk	Eurodns S.A
tdcfiber.dk	Eurodns S.A
tdckampagneshop.dk	Eurodns S.A
tdcnet-sharepoint.dk	Eurodns S.A
tdcnetco.dk	Eurodns S.A
tdctech.dk	Eurodns S.A
tdctest.dk	Eurodns S.A
tdid.dk	Eurodns S.A
testtdc.dk	Eurodns S.A
threatnet.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

61ms

33ms

AAAA

35ms

TXT

230ms

CAA

69ms

HTTPS

27ms

TLSA

120ms

SOA

32ms

MTA-STS

34ms

DNSSEC

55ms

SRV

74ms

Total

3700ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 10:51:43	794ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-19 20:42:33	604ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-19 15:49:55	1091ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 00:34:01 shown	3700ms	2 NS 0 A 1 MX	🔓 Insecure