vucrk.dk DNS records

🖥️ Nameservers2 records 46ms

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 Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vucrk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca48::8 52.101.209.153 52.101.68.12 52.101.68.21 52.101.73.1	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 152ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC112ms

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

🏷️ SOA0ms

Field	Value
Serial	392
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

35ms

MX

37ms

AAAA

54ms

TXT

152ms

CAA

43ms

HTTPS

31ms

TLSA

593ms

SOA

0ms

MTA-STS

51ms

DNSSEC

112ms

SRV

64ms

Total

1153ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 10:06:45	1153ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 03:09:44	891ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-27 02:51:51	925ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 11:30:33	850ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-23 05:21:37	2149ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-22 04:56:37	7108ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-17 13:39:17	3754ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-16 11:48:00	3373ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-15 01:49:31	3183ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-12 10:42:26	2896ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-09 17:06:33	5334ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-07 02:47:31	1413ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-04 08:27:56	3414ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-02 15:26:14	5936ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-24 18:37:56	4115ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-20 21:18:39	3497ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-18 14:50:53	2872ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-13 20:22:39	3482ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-11 23:50:31	1311ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-09 04:15:53	10040ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-03 02:23:36	10157ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 20:27:42	3751ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 11:51:21	5007ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 07:36:10	14401ms	0 NS 0 A 0 MX	⚠️ Bogus	View
2026-06-18 02:54:01	878ms	2 NS 0 A 1 MX	🔒 Secure	View