nanog mailing list archives
Re: Facebook post-mortems...
From: Bjørn Mork <bjorn () mork no>
Date: Tue, 05 Oct 2021 17:27:23 +0200
Jean St-Laurent via NANOG <nanog () nanog org> writes:
Let's check how these big companies are spreading their NS's. $ dig +short facebook.com NS d.ns.facebook.com. b.ns.facebook.com. c.ns.facebook.com. a.ns.facebook.com. $ dig +short google.com NS ns1.google.com. ns4.google.com. ns2.google.com. ns3.google.com. $ dig +short apple.com NS a.ns.apple.com. b.ns.apple.com. c.ns.apple.com. d.ns.apple.com. $ dig +short amazon.com NS ns4.p31.dynect.net. ns3.p31.dynect.net. ns1.p31.dynect.net. ns2.p31.dynect.net. pdns6.ultradns.co.uk. pdns1.ultradns.net. $ dig +short netflix.com NS ns-1372.awsdns-43.org. ns-1984.awsdns-56.co.uk. ns-659.awsdns-18.net. ns-81.awsdns-10.com.
Just to state the obvious: Names are irrelevant. Addresses are not. These names are just place holders for the glue in the parent zone anyway. If you look behind the names you'll find that Apple spread their servers between two ASes. So they are not as vulnerable as Google and Facebook. Bjørn
Current thread:
- Re: Facebook post-mortems..., (continued)
- Re: Facebook post-mortems... Ryan Brooks (Oct 05)
- Re: Facebook post-mortems... Tom Beecher (Oct 05)
- Re: Facebook post-mortems... Lou D (Oct 05)
- Re: Facebook post-mortems... Niels Bakker (Oct 05)
- Re: Facebook post-mortems... Tom Beecher (Oct 05)
- RE: Facebook post-mortems... Jean St-Laurent via NANOG (Oct 05)
- Re: Facebook post-mortems... Ryan Landry (Oct 05)
- Re: Facebook post-mortems... Niels Bakker (Oct 05)
- RE: Facebook post-mortems... Jean St-Laurent via NANOG (Oct 05)
- RE: Facebook post-mortems... Jean St-Laurent via NANOG (Oct 05)
- Re: Facebook post-mortems... Bjørn Mork (Oct 05)
- Re: Facebook post-mortems... Carsten Bormann (Oct 05)
- Re: Facebook post-mortems... Masataka Ohta (Oct 05)
- Re: Facebook post-mortems... Michael Thomas (Oct 05)
- Re: Facebook post-mortems... Randy Monroe via NANOG (Oct 05)
- Better description of what happened Michael Thomas (Oct 05)
- Re: Better description of what happened scott (Oct 05)
- Re: Better description of what happened Curtis Maurand (Oct 06)
- Re: Better description of what happened PJ Capelli via NANOG (Oct 06)
- Re: Better description of what happened Andy Brezinsky (Oct 05)
- Re: Better description of what happened Michael Thomas (Oct 05)