tdcsecure01.dk

📜 Historical scan 2026-06-17 13:32:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdcsecure01.dk is a .dk domain served by 4 nameservers (ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns3-37.azure-dns.org and 1 more). It was registered on 14 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tdcsecure01-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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   297ms
NameserverIP addressesPTRASN / ISP
ns1-37.azure-dns.com 150.171.10.37
2603:1061:0:10::25		 ns1-37.azure-dns.com
ns1-37.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-37.azure-dns.net 150.171.16.37
2620:1ec:8ec:10::25		 ns2-37.azure-dns.net
ns2-37.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-37.azure-dns.org 13.107.222.37
2a01:111:4000:10::25		 ns3-37.azure-dns.org
ns3-37.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-37.azure-dns.info 13.107.206.37
2620:1ec:bda:10::25		 ns4-37.azure-dns.info
ns4-37.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   86ms
PriorityTTLMail ServerIP addressesPTRASN
0 — tdcsecure01-dk.mail.protection.outlook.com 2a01:111:f403:ca04::10
2a01:111:f403:ca04::e
2a01:111:f403:ca09::1
2a01:111:f403:ca09::f
52.101.68.25
52.101.73.153
52.101.73.26
52.101.73.28		 mail-dbapr03cu00100.inbound.protection.outlook.com
mail-db8pr02cu00106.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-am7pr05cu00307.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com
mail-as9pr05cu01302.inbound.protection.outlook.com
mail-am7pr05cu00204.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   232ms
TXT Record
apple-domain-verification=Sc3ytGbpabBzaZgv
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (tdcsecure01.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -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 2026-10-16 15:00:35
wwwNXDOMAIN
www vs bare domainNeither resolves
tdcsecure01.dk: no address
www.tdcsecure01.dk: no address
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-tdcsecure01-dk._domainkey.tdcsecure01.onmicrosoft.com 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

217ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

79ms
FieldValue
Serial1
Primary NS (MNAME)ns1-37.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-14 20:26:30
FieldValue
RegistrarEurodns S.A
Registered2024-03-14
Expires2027-03-13 (141d)

🔗 Same registrant#

565 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
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.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
balle-bredsted.dkEurodns S.A
baremobil.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
blå-tone.dkEurodns S.A
blåtoner.dkEurodns S.A
boger.dkEurodns S.A
bpcloud.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
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
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
dknet.dkEurodns S.A
duet.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
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
ewebprodtma.dkEurodns S.A
eye-see.dkEurodns S.A
fakse-nettet.dkEurodns S.A
familiefon.dkEurodns S.A
fasttvnet.dkEurodns S.A
fdu.dkEurodns S.A
firmafon2.dkEurodns S.A
fk-net.dkEurodns S.A
flexdata10.dkEurodns S.A
flexdata50.dkEurodns S.A
foreningsbredbånd.dkEurodns S.A
fototdconline.dkEurodns S.A
froekenklokken.dkEurodns S.A

Showing 100 of 565.

📋 WHOIS#

⏱️ Lookup Timing#

NS
297ms
A
158ms
MX
86ms
AAAA
161ms
TXT
232ms
CAA
115ms
HTTPS
99ms
TLSA
290ms
SOA
79ms
MTA-STS
53ms
DNSSEC
217ms
SRV
0ms
Total
2870ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-06-24 10:04:29 1213ms 4 NS 0 A 1 MX ❓ Unknown
2026-06-20 19:22:49 1138ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 13:32:12 shown 2870ms 4 NS 0 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone