columbus-clean.dk
Last scanned: 2026-08-25 19:16:59  ·  9940ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   82ms
NameserverIP addressesPTRASN / ISP
ns1.mk.de 2001:1640::12:30
213.172.96.2		 ns1.mk.de
ns1.mk.de		 AS25394 MK Netzdienste GmbH & Co. KG
AS25394 MK Netzdienste GmbH & Co. KG
ns2.mk.de 2001:1640::12:31
213.172.97.2		 ns2.mk.de
ns2.mk.de		 AS25394 MK Netzdienste GmbH & Co. KG
AS25394 MK Netzdienste GmbH & Co. KG
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.172.99.67 300s web02.mk-netzdienste.de AS25394 MK Netzdienste GmbH & Co. KG 213.172.96.0/19 🇩🇪 Germany Darmstadt
📧 MX Records2 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.mk.de 2001:1640::34:6
85.220.139.141		 mailin11.mk.de
mailin11.mk.de		 AS25394 MK Netzdienste GmbH & Co. KG
AS25394 MK Netzdienste GmbH & Co. KG
10 300s mx2.mk.de 2001:1640::27:4
85.220.139.164		 mailin12.mk.de
mailin12.mk.de		 AS25394 MK Netzdienste GmbH & Co. KG
AS25394 MK Netzdienste GmbH & Co. KG
🔷 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 / DANE2 records   117ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mk.de DANE-EE · Full cert · SHA-256 808BDC3068442FD6C98DA11B18583787…
SMTP _25._tcp.mx2.mk.de DANE-EE · Full cert · SHA-256 808BDC3068442FD6C98DA11B18583787…
🔐 DNSSEC9083ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021081201
Primary NS (MNAME)ns1.mk.de
Responsible (RNAME)hostmaster@mk.de
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
82ms
A
59ms
MX
66ms
AAAA
88ms
TXT
269ms
CAA
56ms
HTTPS
75ms
TLSA
117ms
SOA
0ms
MTA-STS
91ms
DNSSEC
9083ms
SRV
88ms
Total
9940ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 19:16:59 9940ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-16 15:05:18 32597ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-02 15:40:35 1479ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-24 01:37:28 2399ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 05:51:18 1163ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 08:19:25 1186ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 12:35:17 1073ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 21:50:51 3011ms 2 NS 1 A 2 MX 🔓 Insecure View
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