Domains DNS servers IPs

Learning DNS for Developers

Company About Press Contact Follow me on 𝕏

Search

Ctrl + K

Domains DNS servers IPs

Learning DNS for Developers

Company About Press Contact Follow me on 𝕏

All

Domains

IPs

Tools

amazon.com 216.73.216.106 Your IP DNS Lookup DNS Propagation Checker SPF Record Lookup A Record Lookup AAAA Record Lookup CNAME Record Lookup TXT Record Lookup MX Record Lookup

Navigate

Open

- DNS
- Email
  - Inbound
  - MX
  - Outbound
  - SPF

polycom-net-do.mail.protection.outlook.com SPF record

Queried just now

DNS resolution error Querying SPF record for polycom-net-do.mail.protection.outlook.com failed.

check TXT records