activitypub.dk
📜 Historical scan 2026-08-22 16:02:27  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   111ms
🌍 A Records2 records   89ms
📧 MX Records3 records   141ms
PriorityTTLMail ServerIP addressesPTRASN
0 86400s 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 86400s 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 86400s 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   116ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   399ms
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)
🔐 DNSSEC179ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026086311
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
111ms
A
89ms
MX
141ms
AAAA
116ms
TXT
399ms
CAA
104ms
HTTPS
92ms
TLSA
221ms
SOA
0ms
MTA-STS
116ms
DNSSEC
179ms
SRV
8060ms
Total
10407ms
🕐 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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