hertek.dk
Last scanned: 2026-07-21 23:40:55  ·  9815ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.184.0.106 600s n02.fwd.prod.hostnet.nl AS51468 One.com A/S 91.184.0.0/19 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mailfilter.hostnet.nl 91.184.19.251 — AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.184.0.106
🔶 Autoconfig91.184.0.106
🔷 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 / DANE1 records   62ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailfilter.hostnet.nl DANE-EE · SPKI · SHA-256 E3F3620A9FFBF55AAED670B046874D36…
🔐 DNSSEC67ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA24ms
FieldValue
Serial2026071201
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
32ms
A
31ms
MX
31ms
AAAA
31ms
TXT
172ms
CAA
31ms
HTTPS
31ms
TLSA
62ms
SOA
24ms
MTA-STS
45ms
DNSSEC
67ms
SRV
44ms
Total
9815ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-21 23:40:55 9815ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-15 06:03:30 3000ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 11:22:11 641ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 11:16:09 455ms 2 NS 1 A 1 MX 🔓 Insecure View
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