DNS, DHCP & IP Address Management appliances
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Cloud-based visualization of analytics across DDI architecture
Manage multi-vendor cloud DNS servers centrally
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Automated network device configuration and management
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Why DDI is an Obvious Starting Point
DNS Threat Intelligence for proactive defense
Intelligence Insights for Threat Detection and Investigation
Adaptive DNS security for service continuity and data protection
Improve Application Access Control to prevent spread of attacks
Protect users and block DNS-based malware activity
Carrier-grade DNS DDoS attack protection
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Visibility, analytics and micro segmentation for effective Zero Trust strategy
Enable work from anywhere by controlling access, security and data privacy
Simplify management and control costs across AWS, Azure and GCP environments
Risk-free migration to reduce DDI complexity and cost
Move risk-free to improve performance, security and costs
Automate management, unify control and strengthen security of connected devices
Protect your network against all DNS attacks, data exfiltration and ransomware
Enable zero touch operations for network management and security
Improve resiliency, deployment velocity and user experience for SD-WAN projects
Integrated DNS, DHCP, IPAM services to simplify, automate and secure your network.
Simplify design, deployment and management of critical DDI services for telcos
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Elevate SecOps Efficiency by Simplifying Threat Response
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Extend security perimeters and strengthen network defenses
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Strengthen Your Network Protection with Smart DNS Security
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Identify vulnerabilities with an assessment of your DNS traffic
Test your protection against data breaches via DNS
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Why Using DNS Allow Lists is a No-Brainer
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The DNS SPF record is used in mail domain reputation. The Sender Policy Framework (SPF) allows a domain owner to specify in a DNS record the list of servers which can be trusted for sending email for the domain. The main objective is to reduce the amount of SPAM and phishing sent from a domain on behalf of the official servers.
The content of the SPF information is stored in a DNS TXT record with a prefix v=spf1 associated with a domain record. Multiple information can be provided and a useful include function is available for automatically inserting the SPF information from a provider.
Each mail server receiving an email from a server (eg MTA – mail transfer agent) can check whether the origin can be trusted and take a routing or delivering decision accordingly. By requesting the DNS SPF record associated to the sender domain, it can obtain the list of servers that are authorized to send email, either their IP address (field ip4 or ip6), their name (field a) or their mail exchanger (field mx).
Curious about this? Check any message in your inbox and take a look at the header (see source option), you may find a Received-SPF: header if this email has passed an SPF validation.
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