All Systems Operational

SISFirewall.com.br
Infrastructure

Fast, secure, and reliable resolution for your network. Built for developers who demand sub-millisecond propagation and 100% uptime.

NETWORK UTILITY

Your DNS Configuration

PRIMARY DNS 1.1.1.1

SECONDARY DNS 1.0.0.1

LATENCY 12ms

UPTIME 100%

READY_FOR_TRAFFIC

public

Global Network

250+ Anycast nodes strategically located worldwide to ensure minimal distance between your users and our servers.

shield_with_heart

DDoS Protection

Advanced mitigation layers filtering malicious traffic at the edge, protecting your resolution flow from massive volume attacks without added latency.

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Zero Logging

Privacy by design. We never log your IP addresses or query data. Your browsing history and network requests remain strictly your own business.

PERFORMANCE TEST

Blazing Fast Queries

Experience sub-millisecond DNS resolution. Our infrastructure uses high-performance memory-mapped databases for instant record retrieval.

check_circle Smart-routing Anycast architecture
check_circle Layer 7 protocol optimization
check_circle Global propagation in < 1 second

bash — sis-cli

$ dig @1.1.1.1 sisfirewall.com.br

; <<>> DiG 9.10.6 <<>> @1.1.1.1 sisfirewall.com.br

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34121

;; QUESTION SECTION:

;sisfirewall.com.br. IN A

;; ANSWER SECTION:

sisfirewall.com.br. 300 IN A 104.21.34.12

;; Query time: 8 msec