openai.com vs anthropic.com
Detected technology stacks, side by side - from live DNS records in the RunsWith monitored set.
1 shared1 only openai.com1 only anthropic.com
sharedonly openai.comonly anthropic.com
openai.com - security 1/100
no DMARC · no DNSSEC · HTTPS unverified
anthropic.com - security 0/100
no DMARC · no DNSSEC · HTTPS unverified
This compares only what RunsWith currently detects from DNS - it is not a complete inventory of either company's infrastructure. See the full evidence for openai.com or anthropic.com. Each detection on those pages carries its DNS evidence and an Ed25519-signed receipt.