seznam.cz

Basic Information

Alexa Rank
488
Protocols
25/SMTP

25/SMTP


Details

Banner Grab and StartTLS Initiation

Banner
220 2.0.0 Seznam SMTP server waiting for your HELO/EHLO
EHLO
250-Email.Seznam.cz - Email zdarma na cely zivot ESMTP
250-8BITMIME
250-PIPELINING
250-SIZE 26000000
250-ENHANCEDSTATUSCODES
250-STARTTLS
250 X-SZNEXTENSIONS
STARTTLS
220 Ready to start TLS

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xC02F)
Browser Trusted
True

Certificate Chain

a2370856c1813104aef3e373f19222e0ad3478476ee202d1fc781f6084c9ca17
CN=mx1.seznam.cz
C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
O=Digital Signature Trust Co., CN=DST Root CA X3

DNS Configuration

AXFR Enabled
False
SPF
v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all
DMARC
v=DMARC1; p=none; rua=mailto:abuse@seznam.cz