VPN Detection Test
Disposable Email Detection
Pricing
tendersystems.cz
Domain Name
Domain Information
Email Provider
Google Workspace
Disposable Email
Privacy Email
Whois Data
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Name Server
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
A Record
199.34.228.44
CNAME Record
tendersystems.cz
MX Record
aspmx.l.google.com: 10
alt1.aspmx.l.google.com: 20
alt2.aspmx.l.google.com: 20
aspmx2.googlemail.com: 30
aspmx3.googlemail.com: 30
smtp.tendersystems.cz: 50
TXT Record
MS=8E1262BBCB02432AAC17D6EC7A39F2E578B76DF7
v=spf1 include:spf.mailjet.com include:_spf.google.com ~all
google-site-verification=VFvMk3GiBNBqrSQCdrWa3zlKmclOqQLPrBENKXXNxXU
SPF Record
87.253.232.0/21
185.189.236.0/22
185.211.120.0/22
185.250.236.0/22
35.190.247.0/24
64.233.160.0/19
66.102.0.0/20
66.249.80.0/20
72.14.192.0/18
74.125.0.0/16
108.177.8.0/21
173.194.0.0/16
209.85.128.0/17
216.58.192.0/19
216.239.32.0/19
2001:4860:4000::/36
2404:6800:4000::/36
2607:f8b0:4000::/36
2800:3f0:4000::/36
2a00:1450:4000::/36
2c0f:fb50:4000::/36
172.217.0.0/19
172.217.32.0/20
172.217.128.0/19
172.217.160.0/20
172.217.192.0/19
172.253.56.0/21
172.253.112.0/20
108.177.96.0/19
35.191.0.0/16
130.211.0.0/22