sdr-sejerslevvandværk.dk xn--sdr-sejerslevvandvrk-z0b.dk
Last scanned: 2026-08-26 05:19:39  ·  597ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   52ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.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.curanet.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   57ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.12 3600s prolinux100.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records2 records   61ms
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   187ms
TXT Record
v=spf1 include:spf.onlinemail.io -all
✉️ SPF
PolicyRecord (sdr-sejerslevvandværk.dk)
-all (hard fail) 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)
🔐 DNSSEC126ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024122301
Primary NS (MNAME)ns1.curanet.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
52ms
A
57ms
MX
61ms
AAAA
38ms
TXT
187ms
CAA
54ms
HTTPS
40ms
TLSA
58ms
SOA
0ms
MTA-STS
93ms
DNSSEC
126ms
SRV
91ms
Total
597ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:19:39 597ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 21:48:06 570ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-27 01:16:24 2822ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 01:55:57 309ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 21:25:48 628ms 2 NS 1 A 2 MX ⚠️ Bogus View
2026-06-22 15:53:35 1156ms 2 NS 1 A 2 MX ⚠️ Bogus View
2026-06-22 14:09:06 436ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 12:20:15 763ms 2 NS 1 A 2 MX 🔒 Secure View
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