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
/
stackage.org
/
SPF
Passport
TLS
DNS
MX
SPF
DMARC
stackage.org
SPF record for stackage.org
Email security & deliverability · grade F
SPF
missing
—
Add this record:
v=spf1 -all
What changed since last time
Loading history…
Other checked sites
Site security rating →
radioplayer.org ·
82
dovecot.org ·
96
nodered.org ·
80
climate-data.org ·
78
vtdigger.org ·
76
mobilism.org ·
82
worldcubeassociation.org ·
82
globalforestwatch.org ·
73
childrenscolorado.org ·
89
stallman.org ·
68
junit.org ·
90
naceweb.org ·
75