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 massdevelopment.com
| Type | Value | TTL | First/Last Observed |
|---|---|---|---|
| A | 3.229.27.237 |
600 | 2026-08-10 10:28:45 |
| MX | massdevelopment-com.mail.protection.outlook.com |
600 | 2026-08-10 10:28:45 |
| NS | ns45.domaincontrol.com |
3600 | 2026-08-10 10:28:45 |
| NS | ns46.domaincontrol.com |
3600 | 2026-08-10 10:28:45 |
| SOA | ns45.domaincontrol.com |
600 | 2026-08-10 10:28:45 |
| TXT | ZOOM_verify_PthNwatKTqe6592V4_2IpQ |
1800 | 2026-08-10 10:28:45 |
| TXT | MS=2DCA65DE92D13764E29C47286E358F96BCF81CA8 |
1800 | 2026-08-10 10:28:45 |
| TXT | v=spf1 mx ip4:50.78.26.171 ip4:38.97.124.9 ip4:38.97.124.2 ip4:50.245.34.103 include:_spf.createsend.com include:spf.protection.outlook.com include:mailgun.org include:_spf.psm.knowbe4.com include:spfa.cpmails.com ~all |
1800 | 2026-08-10 10:28:45 |
Most-Observed Hosts
| Host | Records | Last Seen |
|---|---|---|
aaa.com |
102 | 13h ago |
fedex.com |
82 | 15h ago |
prudential.com |
64 | 15h ago |
marriott.com |
62 | 17h ago |
ringcentral.com |
57 | 6h ago |
zoominfo.com |
52 | 2d ago |
185.220.101.29 |
50 | 3d ago |
185.220.101.26 |
50 | 2d ago |
185.220.101.23 |
50 | 3d ago |
185.220.101.22 |
50 | 2d ago |
185.220.101.27 |
50 | 2d ago |
185.220.101.25 |
50 | 2d ago |
185.220.101.7 |
50 | 3d ago |
185.220.101.19 |
50 | 2d ago |
185.220.101.5 |
50 | 3d ago |
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