effort.dk
Last scanned: 2026-08-27 22:37:55  ·  713ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   74ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.65 3600s linux20.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records2 records   67ms
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
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   169ms
TXT Record
v=spf1 include:spf.onlinemail.io ?all
✉️ SPF
PolicyRecord (effort.dk)
?all (neutral) v=spf1 include:spf.onlinemail.io ?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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2021111801
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
74ms
A
55ms
MX
67ms
AAAA
68ms
TXT
169ms
CAA
77ms
HTTPS
44ms
TLSA
118ms
SOA
0ms
MTA-STS
78ms
DNSSEC
100ms
SRV
82ms
Total
713ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:37:55 713ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 02:50:24 583ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 20:31:23 593ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 01:53:45 1177ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 06:23:44 10374ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 06:07:56 362ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 06:03:45 1603ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 06:00:51 547ms 2 NS 1 A 2 MX 🔒 Secure View
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