vucrk.dk

📜 Historical scan 2026-10-15 07:25:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vucrk.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 29 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by vucrk-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 35ms

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#

🌍

No A records found

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vucrk-dk.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::8 52.101.103.162 52.101.181.156 52.101.68.39 52.101.68.8	mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 213ms

TXT Record
MS=ms83983952
v=spf1 include:spf.esis.dk -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.vucrk.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 2026-10-17 11:31:44

www	Exists, no address
www vs bare domain	Neither resolves vucrk.dk: no address www.vucrk.dk: no address
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-vucrk-dk._domainkey.vucroskilde.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#

62ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

48ms

Field	Value
Serial	411
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 02:05:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-29
Expires	2027-01-28 (100d)

🔗 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)
vtg.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

34ms

36ms

AAAA

33ms

TXT

213ms

CAA

43ms

HTTPS

44ms

TLSA

625ms

SOA

48ms

MTA-STS

56ms

DNSSEC

62ms

SRV

69ms

Total

1091ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 11:31:44	2650ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-15 07:25:08 shown	1091ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-12 01:47:14	3735ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-07 12:09:55	1191ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-05 19:42:27	1182ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-03 19:32:43	1255ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 19:19:30	1150ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 10:16:35	747ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-28 14:02:18	2928ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 13:32:11	1143ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 13:23:53	1004ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 13:01:13	1402ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-17 07:27:17	4647ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-15 16:02:47	1965ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-11 17:48:48	1135ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-04 10:06:45	1153ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 03:09:44	891ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 02:51:51	925ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 11:30:33	850ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-23 05:21:37	2149ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-22 04:56:37	7108ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-17 13:39:17	3754ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-16 11:48:00	3373ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-15 01:49:31	3183ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 10:42:26	2896ms	2 NS 0 A 1 MX	🔒 Secure