Wirewiki
Domains
DNS servers
IPs
Learning
DNS for Developers
Company
About
Press
Contact
Follow me on 𝕏
Privacy
Terms
Search
Ctrl + K
Search
Open main menu
Domains
DNS servers
IPs
Learning
DNS for Developers
Company
About
Press
Contact
Follow me on 𝕏
Privacy
Terms
DNS root
Your IP
Tab
Cycle tabs
Navigate
Open
Domain name
sigmaserv-com01c.mail.protection.outlook.com.
DNS root
Your IP
Tab
Cycle tabs
Navigate
Open
DNS
Email
Inbound
MX
Outbound
SPF
sigmaserv-com01c.mail.protection.outlook.com.
SPF record
Queried
just now
DNS resolution error
Querying SPF record for sigmaserv-com01c.mail.protection.outlook.com. failed.
check TXT records
Thank you!
Can I follow up on this?
No thanks
Add email address