secure_dns█
// privacy-first resolver · no logs · aggressive filtering
Primary resolver
45.90.28.213
IPv4 secondary
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 the hostname over raw IPs. The IPs are listed only for environments that do not accept domain names.
Two filtering modes
nextdns
privacy-max
- No IP logging
- No device identifiers
- No analytics or telemetry
- Native DoH / DoT / QUIC
- Ads, trackers & malware blocking
securityops
custom hardened
- Based on NextDNS infrastructure
- More aggressive filtering
- Additional AdBlock, malware & abuse lists
- Designed for hardened systems & servers
- Higher false-positive tolerance
For maximum blocking and minimal tracking surface, use 45.90.28.213.
Check your DNS
Verify which resolver you are currently using:
Linux / macOS
dig @45.90.28.213 securityops.co +shortWindows
nslookup securityops.co 45.90.28.213If the responding server is 45.90.28.213, you are using SecurityOps DNS.