activitypub.dk
📜 Historical scan 2026-08-19 07:59:15  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   380ms
🌍 A Records2 records   407ms
📧 MX Records3 records   402ms
PriorityTTLMail ServerIP addressesPTRASN
0 172800s mx0.feltpost.com 159.69.136.113
159.69.71.125
2a01:4f8:10b:860::2
2a01:4f8:231:1657::2
2a01:4f8:231:1cd8::2
88.99.250.148
node9.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node9.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
0 172800s mx1.feltpost.com 159.69.136.113
159.69.71.125
2a01:4f8:10b:860::2
2a01:4f8:231:1657::2
2a01:4f8:231:1cd8::2
88.99.250.148
node9.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node9.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
0 172800s mx2.feltpost.com 159.69.136.113
159.69.71.125
2a01:4f8:10b:860::2
2a01:4f8:231:1657::2
2a01:4f8:231:1cd8::2
88.99.250.148
node9.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
node7.midgaard.incrediblebits.net
node9.midgaard.incrediblebits.net
node8.midgaard.incrediblebits.net
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)2 records   392ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1066ms
TXT Record
v=spf1 include:feltpost.com -all
✉️ SPF
PolicyRecord (activitypub.dk)
-all (hard fail) v=spf1 include:feltpost.com -all
📨 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)
🔐 DNSSEC795ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026085349
Primary NS (MNAME)ns0.incrediblebits.net
Responsible (RNAME)hostmaster@incrediblebits.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
380ms
A
407ms
MX
402ms
AAAA
392ms
TXT
1066ms
CAA
447ms
HTTPS
378ms
TLSA
1995ms
SOA
0ms
MTA-STS
561ms
DNSSEC
795ms
SRV
525ms
Total
12941ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 07:25:57 1254ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-30 01:43:11 1691ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-28 11:26:48 1970ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-27 11:04:22 1203ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-26 10:56:17 1564ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-24 18:49:16 1569ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-23 16:14:03 4526ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-22 16:02:27 10407ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-21 15:42:59 3627ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-20 15:37:15 10868ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-19 07:59:15 12941ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-18 07:34:12 2104ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-16 20:00:00 3258ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-15 04:05:52 5740ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-12 10:58:21 18187ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-11 04:49:49 8838ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-10 03:25:03 6472ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-06 12:25:30 2568ms 3 NS 2 A 3 MX 🔒 Secure View
2026-08-03 13:45:45 2699ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-27 11:29:57 1590ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-26 11:14:33 1649ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-25 11:04:12 2187ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-24 10:38:59 1564ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-23 08:58:07 2759ms 3 NS 2 A 3 MX 🔒 Secure View
2026-07-22 04:49:41 2724ms 3 NS 2 A 3 MX 🔒 Secure View
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