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
/
c-stud.ru
/
DNS
Passport
TLS
DNS
MX
SPF
DMARC
c-stud.ru
DNS records for c-stud.ru
A, AAAA, MX, NS, TXT, CAA + SPF/DMARC/IPv6
A / AAAA
✓ / —
SPF
✓
DMARC
missing
Issues
2
A
212.109.223.13
MX
10 emx.mail.ru
10 mail.c-stud.ru
20 mail.c-stud.ru
NS
ns1.firstvds.ru
ns2.firstvds.ru
TXT
"v=spf1 a mx include:spf.smtp.bz ~all"
What changed since last time
Loading history…
Other checked sites
Site security rating →
ladyup.ru ·
75
up-bp.ru ·
81
icun.ru ·
61
dveri-kredo.ru ·
84
city-expertiza.ru ·
66
chehlynaavto.ru ·
66
onpay.ru ·
75
webufa.ru ·
65
mczgold.ru ·
81
alvin-almazov.ru ·
84
marketsveta.ru ·
84
kiam.ru ·
71