selectcourier.dk
Last scanned: 2026-07-24 04:55:22  ·  788ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
NameserverIP addressesPTRASN / ISP
ns01.hostnet.nl 195.206.121.13
2001:67c:28cc::13		 ns1.hostnet.nl
ns1.hostnet.nl		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.hostnet.nl 185.10.11.13
2001:67c:3c0::13		 ns2.hostnet.nl
ns2.hostnet.nl		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   87ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.237.143.157 14400s — AS19994 Rackspace Hosting 192.237.128.0/18 🇺🇸 United States —
📧 MX Records1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mx.selectcourier.dk 192.237.164.4 — AS19994 Rackspace Hosting
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover166.78.121.228
🔶 Autoconfig166.78.121.228
🔷 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)
🔐 DNSSEC185ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026072301
Primary NS (MNAME)ns01.hostnet.nl
Responsible (RNAME)hostmaster@hostnet.nl
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
87ms
MX
77ms
AAAA
77ms
TXT
183ms
CAA
85ms
HTTPS
76ms
TLSA
101ms
SOA
0ms
MTA-STS
66ms
DNSSEC
185ms
SRV
71ms
Total
788ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-24 04:55:22 788ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 21:00:04 723ms 2 NS 1 A 1 MX 🔓 Insecure View
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