10IPS
My internet
My site
Tools
Site & domain
Full site scan
SSL / TLS
DNS
HTTP headers
Redirects
WHOIS
Network & access
Service status
Blocked in Russia
Port checker
Ping
Traceroute
Speed test
Privacy & email
VPN check
DNS leak test
WebRTC leak
Mail checker
SPF / DMARC
IP / ASN
All tools →
Monitoring
API
EN
RU
Cabinet
Enter to go · Esc to close
/
Site check
/
fbcdn.net
/
SPF
Passport
TLS
DNS
MX
SPF
DMARC
fbcdn.net
SPF record for fbcdn.net
Email security & deliverability · grade C
SPF
✓ present
v=spf1 a ~all
What changed since last time
Loading history…
Other checked sites
Site security rating →
fastly.net ·
85
whatsapp.net ·
71
doubleclick.net ·
85
gandi.net ·
85
cloudflare.net ·
84
myfritz.net ·
94
b-cdn.net ·
66
yandex.net ·
81
telekom.net ·
93
comcast.net ·
79
researchgate.net ·
90
cpanel.net ·
81