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DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

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Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#141

Post by yock »

lucb1e wrote: post #56

Which ISPs are so bad that you want to use external services, which are further in distance than your ISP, for speed? When I test with my ISP, they beat all of these services (both IPv4 and IPv6). They're simply closer to me in terms of hops. My router is another story though. The Fritzbox (>200eur router) adds 6ms of latency, and that's what is advertised over DHCP. (Might still be fine, since cached queries are fas…

> Which ISPs are so bad that you want to use external services, which are further in distance than your ISP, for speed?

When I upgraded my WiFi equipment at home a month ago I thought it was defective. Multiple times every day I'd seem to lose connectivity to the internet. After two weeks it occurred to me that my previous router was configured to do a couple things for me, one of which was overriding what DNS servers were assigned with DHCP. I reconfigured my new equipment to use those DNS servers and suddenly everything works normally.

To answer the question asked: Spectrum.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#142

Post by Hyva »

There's a lot more to consider than just performance when deciding whom to share your browsing habits with. Why would you choose Cloudflare or Google?

This isn't an endorsement of Quad9 or OpenDNS; I just don't know enough about them. However, the fact that Cloudflare and Google are privacy-and-security nightmares is well documented.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#143

Post by feelin_googley »

Is DNS configuration ever considered as a factor in "DNS performance"? IME as an end user, it makes a significant difference.

For example if it takes seven queries to resolve a name "A" versus two queries to look up a name "B", then in almost all cases, irrespective of the distance to a cache, looking up A is going to be noticeably slower than looking up B. Indirection is only one example. Even worse are configuations that knowingly trigger retries and wait for client timeouts in order to present a client with a particular nameserver.

Indirection and other "DNS tricks" come at a cost. IME, these are not compensated for via the proximity of a cache.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#144

Post by toyg »

lucb1e wrote: post #56

Which ISPs are so bad that you want to use external services, which are further in distance than your ISP, for speed? When I test with my ISP, they beat all of these services (both IPv4 and IPv6). They're simply closer to me in terms of hops. My router is another story though. The Fritzbox (>200eur router) adds 6ms of latency, and that's what is advertised over DHCP. (Might still be fine, since cached queries are fas…

VirginMedia UK nameservers are notoriously poor, they just stop responding or disappear for hours. At least with Google I’m more or less guaranteed a response, as slow as it might be. I’m in an area where VM is the only cable operator, so I couldn’t switch without either losing on speed or spending a ton of money for someone else to cable me up.

I do try to use VM dns, but I periodically have to reverse to Google and often forget to switch back post-outage.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#146

Post by jpalmer »

userbinator wrote: post #46

I wonder how well 4.2.2.x compares... Then again, a few ms of difference is unlikely to make any noticeable effect in real-world use cases where clients already have local DNS caching and the bulk of the time is data transfer, not DNS lookups.

In my tests 4.2.2.1 performs 50% faster than 1.1.1.1 and is twice as fast as 8.8.8.8.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#147

Post by falcolas »

jsjohnst wrote: post #99
falcolas wrote: post #98

Earlier quoted context omitted.

Not a JavaScript developer, but if they can do timings fine enough to run Meltdown attacks in JS, I think they can safely and accurately measure network timings.

Timing in general isn’t the issue here, there isn’t a way to my knowledge to get just the DNS portion (specifically across an arbitrary set of DNS providers) of the network timing in JS. Just like there isn’t a way to test the timing of a single packet really either.

You can get the DNS-over-HTTP(s) though. Not as ideal as a perfect DNS request/response over UDP, of course.

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#148

Post by sjwright »

scrumper wrote: post #145

Safari barfs on visiting https://1.1.1.1 as linked in the article. Certificate invalid (though it looks fine). Rather unfortunate regarding perception; it's an interesting service!

Works for me; Safari 11.0.3 on High Sierra.

(I'm surprised it works at all though... I wouldn't have thought you could have an HTTPS certificate for an IP address? You learn something new every day.)

Re: DNS Performance compared: CloudFlare 1.1.1.1 x Google 8.8.8.8 x Quad9 x OpenDNS

#149

Post by iamdave »

yock wrote: post #141
lucb1e wrote: post #56

Which ISPs are so bad that you want to use external services, which are further in distance than your ISP, for speed? When I test with my ISP, they beat all of these services (both IPv4 and IPv6). They're simply closer to me in terms of hops. My router is another story though. The Fritzbox (>200eur router) adds 6ms of latency, and that's what is advertised over DHCP. (Might still be fine, since cached queries are fas…

> Which ISPs are so bad that you want to use external services, which are further in distance than your ISP, for speed? When I upgraded my WiFi equipment at home a month ago I thought it was defective. Multiple times every day I'd seem to lose connectivity to the internet. After two weeks it occurred to me that my previous router was configured to do a couple things for me, one of which was overriding what DNS server…

To answer the question asked: Spectrum.

I have Spectrum and have been fighting this exact problem for months. Trying out your steps now and hoping for success.

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