postfilter.dk
Last scanned: 2026-07-25 22:42:05  ·  6644ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   18ms
NameserverIP addressesPTRASN / ISP
ns1.dns.services 195.242.131.6
2001:67c:564:ffff::11		 ns1.dns.services
ns1.dns.services		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.dns.services 2a00:1b18:2:3:3::2
62.69.152.37		 ns2.dns.services
ns2.dns.services		 AS47527 DLX A/S
AS47527 DLX A/S
🌍 A Records1 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.55.196.142 3600s postfilter.dk AS60153 Inpadi ApS 185.55.196.0/22 🇩🇰 Denmark —
📧 MX Records1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s postfilter.dk 185.55.196.142 postfilter.dk AS60153 Inpadi ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   119ms
TXT Record
v=spf1 ip4:185.55.196.142 -all
✉️ SPF
PolicyRecord (postfilter.dk)
-all (hard fail) v=spf1 ip4:185.55.196.142 -all
📨 DMARC
PolicyRecord (_dmarc.postfilter.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@dmarc.inpadi.dk; ruf=mailto:dmarc@dmarc.inpadi.dk; fo=1;
📬 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)
🔐 DNSSEC55ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA26ms
FieldValue
Serial2022031712
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
18ms
A
27ms
MX
29ms
AAAA
27ms
TXT
119ms
CAA
27ms
HTTPS
27ms
TLSA
2033ms
SOA
26ms
MTA-STS
43ms
DNSSEC
55ms
SRV
35ms
Total
6644ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-25 22:42:05 6644ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 05:59:57 1236ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 16:34:28 1578ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 11:15:17 1674ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 23:00:26 862ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 15:09:02 575ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 19:00:48 3291ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 01:28:51 1090ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 19:14:13 1107ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 03:59:58 580ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 16:08:33 2432ms 2 NS 1 A 1 MX 🔒 Secure View
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