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
/
head-fi.org
/
SPF
Passport
TLS
DNS
MX
SPF
DMARC
head-fi.org
SPF record for head-fi.org
Email security & deliverability · grade A
SPF
✓ present
v=spf1 include:_spf.google.com include:amazonses.com ~all
What changed since last time
Loading history…
Other checked sites
Site security rating →
asterisk.org ·
80
sipc.org ·
92
wttc.org ·
93
thirteen.org ·
79
archaeology.org ·
88
globalwitness.org ·
83
skyandtelescope.org ·
93
pewsocialtrends.org ·
75
alphaxiv.org ·
73
plantnet.org ·
78
usp.org ·
83
iptime.org ·
76