vkdt.dk

📜 Historical scan 2026-08-03 13:06:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vkdt.dk is a .dk domain served by 2 nameservers (ns.vordbkom.dk, ns.vordbskoler.dk). It was registered on 8 July 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.56.147.142 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by vkdt-dk.mail.protection.outlook.com. 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 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.vordbkom.dk	131.165.202.1	ns.vordbkom.dk	AS6834 KMD A/S
ns.vordbskoler.dk	5.56.147.154	—	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.56.147.142	3600s	—	AS31027	GlobalConnect A/S	5.56.144.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vkdt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.32 52.101.73.12 52.101.73.28 52.101.73.8	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	5.56.147.142

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 276ms

TXT Record
apple-domain-verification=lsY38soaMaV1mgfo
MS=ms21276436
v=spf1 include:_spf52570.spfprotect.com -all

✉️ SPF#

Policy	Record (vkdt.dk)
-all (hard fail)	v=spf1 include:_spf52570.spfprotect.com -all

📨 DMARC#

Policy	Record (_dmarc.vkdt.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:60f69872d8c04@dmarc.centerasecurity.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 2026-10-18 19:02:42

www	5.56.147.142 (AS31027) (address records, no CNAME)
www vs bare domain	Same network vkdt.dk: 5.56.147.142 (AS31027) www.vkdt.dk: 5.56.147.142 (AS31027)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-vorskoler-dk._domainkey.vordingborgkommune.onmicrosoft.com	RSA · ~1024 bit below 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#

370ms

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

🏷️ SOA#

0ms

Field	Value
Serial	669
Primary NS (MNAME)	ns.vordbkom.dk
Responsible (RNAME)	itdrift@vordbkom.dk
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 17:40:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-07-08
Expires	2028-07-31 (651d)

🔗 Same registrant#

56 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
10klassecenteret.dk	Punktum dk A/S (direct)
10klassecentret.dk	Punktum dk A/S (direct)
blåeventyr.dk	DANDOMAIN A/S
gaasetaarn-skolen.dk	Punktum dk A/S (direct)
gaasetaarnsskolen.dk	Punktum dk A/S (direct)
gasetaarn-skolen.dk	Punktum dk A/S (direct)
gasetaarns-skolen.dk	Punktum dk A/S (direct)
gasetaarnskolen.dk	Punktum dk A/S (direct)
gasetaarnsskolen.dk	Punktum dk A/S (direct)
gasetårn-skolen.dk	Punktum dk A/S (direct)
gasetårns-skolen.dk	Punktum dk A/S (direct)
gasetårnskolen.dk	Punktum dk A/S (direct)
gasetårnsskolen.dk	Punktum dk A/S (direct)
gmonskole.dk	Punktum dk A/S (direct)
gongeskolen.dk	Punktum dk A/S (direct)
gåsetårn-skolen.dk	Punktum dk A/S (direct)
gåsetårnskolen.dk	Punktum dk A/S (direct)
gåsetårnsskolen.dk	Punktum dk A/S (direct)
gøngeskolen.dk	Punktum dk A/S (direct)
iselingeskolen.dk	Punktum dk A/S (direct)
kastrupskole.dk	Punktum dk A/S (direct)
klasse-centeret.dk	Punktum dk A/S (direct)
klasse-centret.dk	Punktum dk A/S (direct)
klassecenteret.dk	Punktum dk A/S (direct)
klassecentret.dk	Punktum dk A/S (direct)
klosternakkeskolen.dk	Punktum dk A/S (direct)
kulsbjerg-skolen.dk	Punktum dk A/S (direct)
kulsbjergskole.dk	Punktum dk A/S (direct)
kulturstroemmen.dk	Punktum dk A/S (direct)
marienbergskole.dk	Punktum dk A/S (direct)
masnedoefortet.dk	Punktum dk A/S (direct)
moenbibliotek.dk	Punktum dk A/S (direct)
moenkommune.dk	Punktum dk A/S (direct)
nyvordingborg.dk	Punktum dk A/S (direct)
nyvordingborgkommune.dk	Punktum dk A/S (direct)
ostersocenter.dk	Punktum dk A/S (direct)
parcelhusgrunde.dk	Punktum dk A/S (direct)
praestoskole.dk	Punktum dk A/S (direct)
prastoeskole.dk	Punktum dk A/S (direct)
prastohavn.dk	Punktum dk A/S (direct)
prastoskole.dk	Punktum dk A/S (direct)
præstøskole.dk	Punktum dk A/S (direct)
skolenetvordingborg.dk	Punktum dk A/S (direct)
sprogkufferten.dk	Punktum dk A/S (direct)
svendgoenge-skolen.dk	Punktum dk A/S (direct)
svendgonge-skolen.dk	Punktum dk A/S (direct)
svendgøngeskolen.dk	Punktum dk A/S (direct)
vintersboelleskole.dk	Punktum dk A/S (direct)
vordbkom.dk	Punktum dk A/S (direct)
vordingborg.dk	Punktum dk A/S (direct)
vordingborgambassador.dk	Punktum dk A/S (direct)
vordingborgbibliotek.dk	Punktum dk A/S (direct)
vordingborgskolenet.dk	Punktum dk A/S (direct)
vordingborgskoler.dk	Punktum dk A/S (direct)
vordingborgskolerne.dk	Punktum dk A/S (direct)
vorskoler.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

82ms

81ms

AAAA

94ms

TXT

276ms

CAA

87ms

HTTPS

89ms

TLSA

275ms

SOA

0ms

MTA-STS

73ms

DNSSEC

370ms

SRV

190ms

Total

3602ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 19:02:42	1393ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 17:16:29	1968ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 16:07:27	1280ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 14:38:51	3666ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:24:39	1375ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 20:21:23	2183ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:56:41	1098ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 15:13:50	3882ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 15:07:01	1142ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:13:01	2155ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 19:04:00	2338ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 20:46:46	4077ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 07:01:57	1182ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:02:16	1310ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 18:51:42	13145ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 16:30:30	4252ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 16:17:20	1815ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 04:10:49	9325ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 06:40:13	5235ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 00:52:56	1503ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 13:06:53 shown	3602ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 07:28:36	1380ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 06:42:27	1593ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 05:13:55	4166ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-20 21:58:03	2762ms	2 NS 1 A 1 MX	🔒 Secure