holmberg.dk
Last scanned: 2026-08-28 05:41:44  ·  625ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
NameserverIP addressesPTRASN / ISP
ns1.123hotel.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.123hotel.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.150 300s linux264.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records2 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.150
🔶 Autoconfig93.191.156.150
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   156ms
TXT Record
brevo-code:b81b9bf02c80a797f29d0af25b69e4c6
google-site-verification=mnbbhST7dPtG_U0sluGoQFOeVtaPbYANR9LpEMMXEE0
v=spf1 include:mailgun.org include:spf.curanet.dk ~all
✉️ SPF
PolicyRecord (holmberg.dk)
~all (soft fail) v=spf1 include:mailgun.org include:spf.curanet.dk ~all
📨 DMARC
PolicyRecord (_dmarc.holmberg.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
📬 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)
🔐 DNSSEC92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024052402
Primary NS (MNAME)ns1.123hotel.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
44ms
MX
50ms
AAAA
52ms
TXT
156ms
CAA
50ms
HTTPS
68ms
TLSA
74ms
SOA
0ms
MTA-STS
56ms
DNSSEC
92ms
SRV
80ms
Total
625ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 05:41:44 625ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 13:35:26 2111ms 2 NS 1 A 2 MX 🔒 Secure View
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