Comment by xena Comment by xena 3 months ago 3 replies Copy Link View on Hacker News It's forward confirming reverse DNS. I assumed that everyone does that by default.
Copy Link petee 3 months ago Collapse Comment - What everyone does by default doesn't matter really here, it's that an IP owner/user can literally set the reverse to any arbitrary domain regardless if the actual domain has a record for that IP. What matters is both match, thats all I meant Reply View | 2 replies Copy Link nalllar 3 months ago Parent Collapse Comment - xena said "forward confirming reverse" twice which means rdns and then resolving that forward to confirm it matches. Reply View | 1 reply Copy Link petee 3 months ago Root Parent Collapse Comment - I don't know if it was edited or I missed it in the first post but you're right.I'd still be surprised if an Amazon domain resolved to a residential IP Reply View | 0 replies
Copy Link nalllar 3 months ago Parent Collapse Comment - xena said "forward confirming reverse" twice which means rdns and then resolving that forward to confirm it matches. Reply View | 1 reply Copy Link petee 3 months ago Root Parent Collapse Comment - I don't know if it was edited or I missed it in the first post but you're right.I'd still be surprised if an Amazon domain resolved to a residential IP Reply View | 0 replies
Copy Link petee 3 months ago Root Parent Collapse Comment - I don't know if it was edited or I missed it in the first post but you're right.I'd still be surprised if an Amazon domain resolved to a residential IP Reply View | 0 replies
What everyone does by default doesn't matter really here, it's that an IP owner/user can literally set the reverse to any arbitrary domain regardless if the actual domain has a record for that IP. What matters is both match, thats all I meant