lærertræf.dk xn--lrertrf-mxaf.dk
Last scanned: 2026-08-27 02:01:03  ·  1170ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   80ms
NameserverIP addressesPTRASN / ISP
dns1.cscdns.net 156.154.130.100
2610:a1:1022::100		 pdns1.cscdns.net
ns1.euro909.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
dns2.cscdns.net 156.154.131.100
2610:a1:1023::100		 ns4.netnames.net
ns2.arcemus.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records1 records   81ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.145.55.11 14400s — AS47292 Sentia Denmark A/S 217.145.48.0/21 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
🔷 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)
🔐 DNSSEC153ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2018082304
Primary NS (MNAME)dns1.cscdns.net
Responsible (RNAME)hostmaster@cscdns.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)14400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
80ms
A
81ms
MX
73ms
AAAA
70ms
TXT
397ms
CAA
90ms
HTTPS
105ms
TLSA
84ms
SOA
0ms
MTA-STS
162ms
DNSSEC
153ms
SRV
125ms
Total
1170ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 02:01:03 1170ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-09 07:01:33 24440ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-26 14:12:56 1709ms 2 NS 1 A 0 MX ❓ Unknown View
2026-06-23 01:48:25 1213ms 2 NS 1 A 0 MX ❓ Unknown View
2026-06-22 13:29:38 346ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 03:05:25 1389ms 2 NS 1 A 0 MX 🔒 Secure View
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