Secure DNS by SecurityOps
Primary Resolver: dns.securityops.co
IPv4: 45.90.28.213
IPv4: 45.90.30.213
IPv6: 2a07:a8c1::c9:678a
DNS-over-TLS / QUIC: c9678a.dns.nextdns.io
DNS-over-HTTPS: https://dns.nextdns.io/c9678a
Prefer using the hostname. IPs are provided only for environments that do not accept domain names.
Resolver profiles
NextDNS (privacy-max profile)
- No IP logging
- No device identifiers
- No analytics or telemetry
- Native DNS-over-HTTPS / TLS / QUIC
- Extensive ads, trackers & malware blocking
SecurityOps custom profile
- Based on NextDNS infrastructure
- More aggressive filtering
- Additional AdBlock, malware & abuse lists
- Designed for hardened systems and servers
- Higher false-positive tolerance by design
If you want maximum blocking and minimal tracking surface, use dns.securityops.co.
Check your DNS
Verify which resolver you are using: dnscheck.tools
Verify from terminal
Linux / macOS
dig @45.90.28.213 securityops.co +short
Windows
nslookup securityops.co 45.90.28.213
If the responding server is 45.90.28.213, you are using SecurityOps DNS.