dfz.dk
Last scanned: 2026-06-23 17:13:02  ·  825ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
NameserverIP addressesPTRASN / ISP
a.portsdns.se 2607:f740:e009::1
45.54.35.101		 a.portsdns.se
a.portsdns.se		 AS63911 NetActuate, Inc
AS63911 NetActuate, Inc
b.portsdns.net 2a00:11c0:3d::1
94.16.23.1		 b.portsdns.net
b.portsdns.net		 AS42354 Anexia Cloud Solutions GmbH
AS42354 Anexia Cloud Solutions GmbH
🌍 A Records1 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
31.170.123.77 3600s — — — — 🇩🇪 Germany —
📧 MX Records2 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.emailsrvr.com 184.106.54.1 mx1.emailsrvr.com AS19994 Rackspace Hosting
20 3600s mx2.emailsrvr.com 108.166.43.2
146.20.161.2
173.203.187.2
184.106.54.2		 mx2.emailsrvr.com
mx2.emailsrvr.com
mx2.emailsrvr.com
mx2.emailsrvr.com		 AS19994 Rackspace Hosting
AS27357 Rackspace Hosting
AS27357 Rackspace Hosting
AS19994 Rackspace Hosting
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover31.170.123.77
🔶 Autoconfig31.170.123.77
🔷 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)
🔐 DNSSEC131ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA55ms
FieldValue
Serial2023120501
Primary NS (MNAME)a.portsdns.se
Responsible (RNAME)registry@ports.net
Refresh14400s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
56ms
A
55ms
MX
56ms
AAAA
40ms
TXT
231ms
CAA
55ms
HTTPS
56ms
TLSA
60ms
SOA
55ms
MTA-STS
99ms
DNSSEC
131ms
SRV
110ms
Total
825ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 17:13:02 825ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-21 23:34:22 942ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 05:31:36 1726ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 02:35:38 586ms 2 NS 1 A 2 MX 🔓 Insecure View
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