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
/
principal.com
/
MX
Passport
TLS
DNS
MX
SPF
DMARC
principal.com
MX records & mail servers for principal.com
Email security & deliverability · grade A
MX
10 mxa-002f7901.gslb.pphosted.com
10 mxb-002f7901.gslb.pphosted.com
What changed since last time
Loading history…
Other checked sites
Site security rating →
hotels.com ·
80
wikidot.com ·
79
chosun.com ·
83
easydns.com ·
91
voximplant.com ·
89
teepublic.com ·
92
morningstar.com ·
79
feedly.com ·
93
iqm.com ·
82
amplify.com ·
81
proquest.com ·
86
telefonica.com ·
87