IPv4 Addresses
zix.com. 600 IN A 34.236.71.145
Name Servers
zix.com. 600 IN NS ns01.zixcorp.com. zix.com. 600 IN NS ns02.zixcorp.com. zix.com. 600 IN NS ns03.zixcorp.com.
Mail Servers
zix.com. 600 IN MX 10 zix.com.1.0001.arsmtp.com. zix.com. 600 IN MX 20 zix.com.2.0001.arsmtp.com.
SOA Details
zix.com. 600 IN SOA ns.zixcorp.com. noc.zixcorp.com. 2026072301 3600 300 604800 600
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
zix.com. 600 IN DMARC v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
DKIM
zix.com. 1200 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAudjYGONpXIVg637nTYENr77K2nbRAj94kvtiRfvH+jQGNiCRCYkPWqUxN1uxkC/xCmo8WXquZZU+L5zs8NhbsSQbztlQrktxqwQGabtXvdaSj7igLslQzbxdWhHhEoneO4qn0KsrlN5dN9tlnIsRGmUle07v5kRPHG1haB+oMaao2X5zPcEdjP6GJyNtLMv7LHVXjQMnRaNU6IP+Wwg42JaGv4TA5NAIlTtZKBmFTx2BlYUSSdDtBsJrGtYg2/Bk4HRvabTQdOpqIy4N5e9BEm/W4bgbyuJOt1ocYzL5koiyASHyKNZaK0GtGG04JET6Vue9MIy7IYOa3HcPspEkjQIDAQAB;
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
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| + Pass | include |
|
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| - Fail | all |
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zix.com. 600 IN TXT "v=spf1 include:spfa.zixcorp.com include:spfb.zixcorp.com -all"
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
zix.com. 600 IN TXT "MS=ms15356512" zix.com. 600 IN TXT "MS=ms51176690" zix.com. 600 IN TXT "google-site-verification=O1tHsA6OKsSvhwJ3yc-VUS-EY49fb71DWypASy0BNQM" zix.com. 600 IN TXT "google-site-verification=llBSnifsZzlRR0mIPbzAogIH07jb52Q5YWKZlQMb1vM" zix.com. 600 IN TXT "knowbe4-site-verification=548cb49874519e75321fe7de2d0f81d5" zix.com. 600 IN TXT "y1xyOWU7fHd41Iz7O4dGTtxuS9sj7sgtLvliXR5xyX3FBB/Twp8ifqxYoneMZqYo5dqkjJhSvVgUYUZMiBjDTg=="