vtg.dk

📜 Historical scan 2026-06-24 09:52:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vtg.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 28 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.19.134.149 is hosted by Syddansk Erhvervsskole Odense-Vejle (AS199374) in Denmark. Mail is handled by vtg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.esis.dk	185.19.134.2	ns1.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk	185.19.134.3	ns2.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.134.149	3600s	eali.dk hovsa.eali.dk hovsa.sde-tv.dk test.eali.dk test.sde-tv.dk testdnssec.tuc-fyn.dk	AS199374	Syddansk Erhvervsskole Odense-Vejle	185.19.132.0/22	🇩🇰 Denmark	Odense

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	vtg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 52.101.68.29 52.101.73.24 52.101.73.30 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔌 SRV Records#

3 records 195ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	100	1	443	autodiscover.sde.dk
_sip._tcp	0	0	443	sip.vtg.dk
_sip._tcp	0	0	5061	sip.vtg.dk

📝 TXT Records#

7 records 156ms

TXT Record
adobe-idp-site-verification=42a470a786b08b1d0ebc38c4e47e68fa11a211afde2f4ee7c08d0a37e118af55
apple-domain-verification=VxFTNAJjeLKaVqJu
google-site-verification=-25t6d5l0mrfy8Hh6el5UARvyocJZOJu3l8lSBgNV4k
google-site-verification=ALhB-1-scGSMJWHw4pgW1NM3S6ti1WT-XCpuSdEBdgg
MS=ms20019685
MS=ms46515002
v=spf1 ip4:185.19.134.44 include:spf.esis.dk -all

✉️ SPF#

Policy	Record (vtg.dk)
-all (hard fail)	v=spf1 ip4:185.19.134.44 include:spf.esis.dk -all

📨 DMARC#

Policy	Record (_dmarc.vtg.dk)
p=reject	v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;fo=1

📬 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 2026-10-19 15:47:51

www	185.19.134.149 (AS199374) (address records, no CNAME)
www vs bare domain	Same network vtg.dk: 185.19.134.149 (AS199374) www.vtg.dk: 185.19.134.149 (AS199374)
Wildcard	No
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-vtg-dk._domainkey.edusde.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'vtg.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

82ms

Field	Value
Serial	2020051878
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 08:14:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-01-28
Expires	2035-03-31 (3083d)

🔗 Same registrant#

32 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
10grindsted.dk	Punktum dk A/S (direct)
10odense.dk	Punktum dk A/S (direct)
10vejle.dk	Punktum dk A/S (direct)
auskurser.dk	Punktum dk A/S (direct)
cityofeducatia.dk	Punktum dk A/S (direct)
cvkweb.dk	Punktum dk A/S (direct)
eali.dk	Punktum dk A/S (direct)
educatia.dk	Punktum dk A/S (direct)
esev.dk	Punktum dk A/S (direct)
esis.dk	Punktum dk A/S (direct)
htxvejle.dk	Punktum dk A/S (direct)
itsvejle.dk	ESIS-center
l-auskurser.dk	Punktum dk A/S (direct)
lauskurser.dk	Punktum dk A/S (direct)
otg.dk	Punktum dk A/S (direct)
ots.dk	Punktum dk A/S (direct)
sdbf.dk	Punktum dk A/S (direct)
sde-tv.dk	ESIS-center
sde.dk	Punktum dk A/S (direct)
sdegr10.dk	Punktum dk A/S (direct)
sdegr2.dk	Punktum dk A/S (direct)
sdegr3.dk	Punktum dk A/S (direct)
sdegr4.dk	Punktum dk A/S (direct)
sdegr8.dk	Punktum dk A/S (direct)
sdegr9.dk	Punktum dk A/S (direct)
stabs.dk	Punktum dk A/S (direct)
tegsolution.dk	Punktum dk A/S (direct)
transportuddannelsescenter-fyn.dk	Punktum dk A/S (direct)
transportuddannelsescenter.dk	Punktum dk A/S (direct)
tsev.dk	Punktum dk A/S (direct)
vejlets.dk	Punktum dk A/S (direct)
vucrk.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

43ms

33ms

AAAA

34ms

TXT

156ms

CAA

56ms

HTTPS

33ms

TLSA

190ms

SOA

82ms

MTA-STS

102ms

DNSSEC

71ms

SRV

195ms

Total

728ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 15:47:51	3529ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 15:06:13	3802ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 14:50:00	3980ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 13:12:45	1201ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 11:08:29	4063ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 08:02:35	1258ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 01:25:15	1756ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 01:20:43	1196ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 01:04:20	1218ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:41:57	1096ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 00:03:26	1446ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 23:47:55	930ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 11:41:59	822ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 11:35:16	1732ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:23:23	1084ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 18:19:40	1418ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 04:04:42	1711ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 20:19:58	3810ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 19:56:16	3961ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 09:49:19	883ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 09:45:53	1541ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 08:39:20	1024ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 01:45:09	4907ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 22:57:29	1883ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 21:22:54	3251ms	2 NS 1 A 1 MX	🔒 Secure