Authentic tale 1:26 pm EDT: Fb—and it seems that the entire main facilities Fb owns—are down nowadays. We first noticed the issue at about 11:30 am Jap time, when some Fb hyperlinks stopped running. Investigating just a little additional confirmed main DNS screw ups at Fb:
So, @facebook‘s DNS is damaged this morning…
TL;DR: Google anycast DNS returns SERVFAIL for Fb queries; querying https://t.co/0BDgaIHmlr immediately instances out. pic.twitter.com/3GHJ3mW0P0
— Jim Salter (@jrssnet) October 4, 2021
DNS—quick for Area Title Machine—is the carrier that interprets human-readable hostnames (like arstechnica.com) to uncooked, numeric IP addresses (like 220.127.116.11). With out running DNS, your laptop does not understand how to get to the servers that host the website online you are in search of.
The issue is going deeper than Fb’s glaring DNS screw ups, regardless that. Fb-owned Instagram was once additionally down, and its DNS facilities—that are hosted on Amazon moderately than being inside to Fb’s personal community—have been useful. Instagram and WhatsApp have been reachable however confirmed HTTP 503 screw ups (no server is to be had for the request) as an alternative, a sign that whilst DNS labored and the facilities’ load balancers have been reachable, the applying servers that are meant to be feeding the weight balancers weren’t.
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