IP Address: 199.30.235.11 โ Network Confounder
Email encryption and security solutions, acquired by Canadian information management company OpenText in December 2021. As of 2026, Zix operates as a subsidiary of OpenText, with its products integrated into the OpenText Cybersecurity portfolio.
This page shows DMARC authentication failure data for this IP address. Learn more about this data.
Geolocation Information
- Country:
- US United States
- Coordinates:
- 37.751, -97.822
WHOIS Information
- Network Name:
- ZIXCORP
- CIDR:
199.30.232.0/21- Owner:
- Zix Corporation
- Org ID:
CTOC-1- Address:
- 2711 N. Haskell Ave, Dallas, TX 75204
- Reverse DNS:
-
zixmt1.zixworks.com
Last updated: 2/5/2026
Analysis
This IP was first observed on September 13, 2024 and most recently on June 28, 2025. It has been associated with 9 failed authentication events affecting 21 messages, representing moderate activity. The IP belongs to ZIXCORP (Zix Corporation), a network with activity associated with United States. 2 other IPs in the same /24 subnet (199.30.235.*) also appear in this dataset.
Network Topology
External Reputation Lookups
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Nearby IPs
Other IPs in the 199.30.235.0/24 range observed failing DMARC:
199.30.235.91 (4 failures), 199.30.235.83 (3 failures)