opencast.dk
Last scanned: 2026-08-05 22:51:18  ·  1925ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   61ms
NameserverIP addressesPTRASN / ISP
ns.vas-hosting.com 2a01:4f8:c0c:1fbf::1
78.47.104.13		 ns.vas-hosting.com
ns.vas-hosting.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns.vas-hosting.cz 2a01:28:ca:112::1:4
95.168.209.105		 ns.vas-hosting.cz
ns.vas-hosting.cz		 AS39392 SH.cz s.r.o.
AS39392 SH.cz s.r.o.
ns.vas-hosting.eu 2a01:430:100:57::25
83.167.224.189		 ns.vas-hosting.eu
ns.vas-hosting.eu		 AS24971 MasterDC s.r.o.
AS24971 MasterDC s.r.o.
🌍 A Records1 records   80ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.235.104.41 1800s sse04.vas-server.cz AS39392 SH.cz s.r.o. 37.235.96.0/20 🇨🇿 Czechia —
📧 MX Records1 records   86ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s mail.vas-hosting.cz 95.168.205.159
95.168.205.159		 159.128-26.205.168.95.in-addr.arpa
mail.vas-hosting.cz		 AS39392 SH.cz s.r.o.
AS39392 SH.cz s.r.o.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.vas-hosting.cz → 95.168.205.159
🔶 Autoconfigmail.vas-hosting.cz → 95.168.205.159
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   121ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 1 443 mail.vas-hosting.cz
📝 TXT Records1 records   363ms
TXT Record
v=spf1 a mx ?all
✉️ SPF
PolicyRecord (opencast.dk)
?all (neutral) v=spf1 a mx ?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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.opencast.dk opencast.dk
🔗 TLSA / DANE2 records   109ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.vas-hosting.cz DANE-EE · SPKI · SHA-256 FF57A85B97177D89104F0D42108A5F40…
SMTP _25._tcp.mail.vas-hosting.cz DANE-EE · SPKI · SHA-512 3204AF143268A8C0CE04FB45BE8E8136…
🔐 DNSSEC124ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2503271098
Primary NS (MNAME)ns.vas-hosting.cz
Responsible (RNAME)info@vas-hosting.cz
Refresh28800s
Retry600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
80ms
MX
86ms
AAAA
66ms
TXT
363ms
CAA
764ms
HTTPS
103ms
TLSA
109ms
SOA
0ms
MTA-STS
105ms
DNSSEC
124ms
SRV
121ms
Total
1925ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-05 22:51:18 1925ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 20:05:07 2972ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 18:32:22 9892ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 17:00:36 2765ms 3 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone