rvbgroup.dk
Last scanned: 2026-07-18 05:37:19  ·  13776ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   2074ms
NameserverIP addressesPTRASN / ISP
ns.nerdonline.dk 167.233.0.169 mailgw1.nerdonline.dk AS24940 Hetzner Online GmbH
ns2.nerdonline.dk 95.216.155.89 hel01.nerdonline.dk AS24940 Hetzner Online GmbH
ns3.nerdonline.dk 167.233.0.167 ns3.nerdonline.dk AS24940 Hetzner Online GmbH
🌍 A Records1 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
167.233.0.165 38400s web03.nerdonline.dk AS24940 Hetzner Online GmbH 167.233.0.0/16 🇩🇪 Germany —
📧 MX Records2 records   2048ms
PriorityTTLMail ServerIP addressesPTRASN
10 38400s mailgw1.nerdonline.dk 167.233.0.169 mailgw1.nerdonline.dk AS24940 Hetzner Online GmbH
20 38400s mailgw2.nerdonline.dk 95.216.155.89 hel01.nerdonline.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.rvbgroup.dk → 167.233.0.169
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9070ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA2028ms
FieldValue
Serial1339132035
Primary NS (MNAME)ns.nerdonline.dk
Responsible (RNAME)hostmaster@nerdonline.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)38400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2074ms
A
48ms
MX
2048ms
AAAA
2048ms
TXT
2365ms
CAA
4029ms
HTTPS
2046ms
TLSA
124ms
SOA
2028ms
MTA-STS
4038ms
DNSSEC
9070ms
SRV
4032ms
Total
13776ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-18 05:37:19 13776ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 06:29:29 991ms 3 NS 1 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone