lærerchat.dk xn--lrerchat-j0a.dk
Last scanned: 2026-08-20 09:43:26  ·  1330ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   95ms
NameserverIP addressesPTRASN / ISP
ns1.ordbogen.com 91.240.88.19 ns1.ordbogen.com AS198901 Ordbogen A/S
ns2.ordbogen.com 91.240.88.20 ns2.ordbogen.com AS198901 Ordbogen A/S
🌍 A Records1 records   89ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.240.88.18 86400s www.ordbogen.com AS198901 Ordbogen A/S 91.240.88.0/24 🇩🇰 Denmark —
📧 MX Records1 records   159ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.ordbogen.com 91.240.88.21 mail.ordbogen.com AS198901 Ordbogen A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.240.88.18
🔶 Autoconfig91.240.88.18
🔷 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)
🔐 DNSSEC216ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxdomain
🏷️ SOA0ms
FieldValue
Serial1787146657
Primary NS (MNAME)ns1.ordbogen.com
Responsible (RNAME)hostmaster@xn--lrerchat-j0a.dk
Refresh16384s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
95ms
A
89ms
MX
159ms
AAAA
165ms
TXT
430ms
CAA
88ms
HTTPS
170ms
TLSA
100ms
SOA
0ms
MTA-STS
194ms
DNSSEC
216ms
SRV
180ms
Total
1330ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 09:43:26 1330ms 2 NS 1 A 1 MX ❓ Unknown View
2026-08-19 09:21:25 4012ms 2 NS 1 A 1 MX ❓ Unknown View
2026-08-12 23:39:41 8854ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 12:57:14 33043ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-30 01:29:21 11988ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-25 05:38:20 866ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-22 01:58:43 635ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 01:53:31 393ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 22:28:55 478ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 05:00:28 2684ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:03:11 29387ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 01:16:35 699ms 2 NS 1 A 1 MX 🔒 Secure View
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