Historic DNS Timeline
Shows every DNS record the platform has observed over time (the DNS audit appends, it doesn't overwrite). For deep historic passive DNS beyond your own observations, add a provider like SecurityTrails/WhoisXML (API key).
Observed Records for authstep291-verify.com
| Type | Value | TTL | First/Last Observed |
|---|---|---|---|
| A | 172.67.220.159 |
300 | 2026-08-11 05:46:38 |
| A | 104.21.78.118 |
300 | 2026-08-11 05:46:38 |
| AAAA | 2606:4700:3034::6815:4e76 |
300 | 2026-08-11 05:46:38 |
| AAAA | 2606:4700:3032::ac43:dc9f |
300 | 2026-08-11 05:46:38 |
| NS | jose.ns.cloudflare.com |
21599 | 2026-08-11 05:46:38 |
| NS | riya.ns.cloudflare.com |
21599 | 2026-08-11 05:46:38 |
| SOA | jose.ns.cloudflare.com |
1800 | 2026-08-11 05:46:38 |
Most-Observed Hosts
| Host | Records | Last Seen |
|---|---|---|
aaa.com |
102 | 1d ago |
fedex.com |
82 | 1d ago |
prudential.com |
64 | 1d ago |
marriott.com |
62 | 1d ago |
udemy.com |
60 | 1d ago |
ringcentral.com |
57 | 1d ago |
zoominfo.com |
52 | 3d ago |
185.220.101.23 |
50 | 4d ago |
185.220.101.5 |
50 | 4d ago |
185.220.101.7 |
50 | 4d ago |
185.220.101.19 |
50 | 3d ago |
185.220.101.13 |
50 | 4d ago |
185.220.101.25 |
50 | 4d ago |
185.220.101.29 |
50 | 4d ago |
185.220.101.24 |
50 | 3d ago |
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