mainfirst.dk
Last scanned: 2026-08-25 01:37:13  ·  10673ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   58ms
NameserverIP addressesPTRASN / ISP
ns17.knipp.net 195.253.51.61
2a01:5b0:2:56::3d		 ns17.knipp.net
ns17.knipp.net		 AS48519 Knipp Medien und Kommunikation GmbH
AS48519 Knipp Medien und Kommunikation GmbH
ns2.knipp.de 195.253.6.52
2a01:5b0:0:29::34		 ns2.knipp.de
ns2.knipp.de		 AS8391 Knipp Medien und Kommunikation GmbH
AS8391 Knipp Medien und Kommunikation GmbH
ns3.knipp.de 195.253.113.3
2a01:5b0:31::3		 ns3.knipp.de
ns3.knipp.de		 AS8391 Knipp Medien und Kommunikation GmbH
AS8391 Knipp Medien und Kommunikation GmbH
🌍 A Records1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.250.84.198 3600s — AS8972 Host Europe GmbH 91.250.80.0/21 🇫🇷 France Strasbourg
📧 MX Records2 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
5 86400s mx.ethenea.lu 195.46.247.156 mx.ethenea.lu AS6661 POST Luxembourg
10 86400s mx.ethna.ch 62.72.104.226 mx.ethna.ch AS8220 COLT Technology Services Group Limited
🔷 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)
🔐 DNSSEC9088ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021070262
Primary NS (MNAME)ns2.knipp.de
Responsible (RNAME)dnsmaster@irondns.net
Refresh10800s
Retry3000s
Expire2419200s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
64ms
MX
57ms
AAAA
69ms
TXT
301ms
CAA
70ms
HTTPS
62ms
TLSA
193ms
SOA
0ms
MTA-STS
99ms
DNSSEC
9088ms
SRV
107ms
Total
10673ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 01:37:13 10673ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 04:37:23 2982ms 3 NS 1 A 2 MX 🔓 Insecure View
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