DNS Resolvers for Gaming: What the Public Benchmarks Actually Show
"Change your DNS to 1.1.1.1 for lower ping" is one of the most repeated pieces of advice in gaming forums. The recommendation is half right and half wrong, and the difference matters. This is a synthesis of what publicly available DNS benchmarks actually show, with an honest read on which resolver is worth trying first if you're in Southeast Asia.
No personal benchmarks are presented here as data. Numbers quoted come from published sources, listed at the end.
1. What DNS actually does (and doesn't do)
DNS — the Domain Name System — translates human-friendly names like steamcommunity.com into IP addresses your computer can actually connect to. It runs once per new name, and the result is cached for minutes or hours.[1]
For a web page that loads from 30 different domains, DNS performance is one of the things that determines how snappy the page feels. For a Dota 2 match — which connects to one IP and then sends UDP packets back and forth for an hour — DNS plays a part only at the very start, and only if the IP isn't already cached.
2. Does DNS affect in-game ping? Mostly no.
Once your Dota 2 client has the server's IP, every subsequent packet routes directly to that IP. The DNS resolver isn't in the path anymore. So "faster DNS" does not lower in-game ping. The ping you see in net_graph is unaffected by which resolver you use.
DNS can affect:
- How fast the Dota 2 client connects to Steam services on launch.
- How fast updates download (Steam uses many CDN hostnames).
- How responsive the web overlay and store pages feel.
- In rare cases, which CDN edge serves you, if the resolver advertises a different EDNS client subnet — this can indirectly affect download speed, not in-game ping.
If your only goal is lower ping in a match, DNS is the wrong knob to turn. If your goal is a smoother overall Steam and launch experience, it can help.
3. What the public benchmarks show
Two ongoing public DNS performance benchmarks are widely referenced: DNSPerf and the Cloudflare Radar measurements. They consistently show three things:[2][3]
- Cloudflare (1.1.1.1) and Google (8.8.8.8) lead globally on median resolution time, often within a few milliseconds of each other.
- In Southeast Asia specifically, all major public resolvers (Cloudflare, Google, Quad9, OpenDNS) deliver median resolution times under 30 ms — well below the threshold of human noticeability for a one-time lookup.
- Your ISP's own resolver is sometimes the fastest of all in raw latency because it's the closest network hop. It tends to lose on reliability and on returning optimal CDN edges.
4. Resolver-by-resolver comparison
| Resolver | Primary IP | Strengths | Trade-offs |
|---|---|---|---|
| Cloudflare | 1.1.1.1 | Fastest median in most regions; strong privacy policy. | Some EDNS-client-subnet quirks affecting CDN edge selection. |
| 8.8.8.8 | Very reliable; excellent global anycast presence. | Returns Google-influenced answers for Google services. | |
| Quad9 | 9.9.9.9 | Blocks known malicious domains; non-profit operator. | Slightly slower than Cloudflare/Google in SEA per public benchmarks. |
| OpenDNS | 208.67.222.222 | Long track record; optional family filters. | Owned by Cisco; not the fastest in SEA. |
| Your ISP | varies | Sometimes the closest network hop; usually returns local CDN edges. | Reliability and privacy vary; outages do happen. |
5. Recommendations for SEA players
The honest answer: pick Cloudflare or Google, set it once, forget about it. Don't expect lower in-game ping. Expect slightly snappier name resolution everywhere DNS is used, and slightly more reliable behaviour during ISP DNS hiccups.
If you want to compare your ISP's resolver against a public one, the simplest test is a side-by-side nslookup steamcommunity.comagainst each — the Non-authoritative answer is what your client would use, and the response time shows up in the command output. This is one-shot and won't reflect real-world variance, but it's a starting point.
6. How to change your DNS safely
On Windows, the safest path is to set DNS on your router (so every device benefits) and not on individual PCs. Most modern consumer routers have a "DNS server" field in the WAN or DHCP settings. Set the primary to 1.1.1.1 and secondary to 1.0.0.1, save, and reboot the router.
If you can't change the router (ISP-locked firmware, shared connection), set DNS in Windows under Settings → Network & Internet → properties of your connection → DNS server assignment → Manual.
One caution: if you have CGNAT or a captive portal that intercepts DNS, changing it can break Wi-Fi login on hotel and café networks. For a home connection this is rarely an issue.
Sources
- Cloudflare Learning Center, "What is DNS?" — cloudflare.com/learning/dns/what-is-dns
- DNSPerf public DNS performance benchmark — dnsperf.com (regional comparison tables).
- Cloudflare Radar DNS performance pages, regional breakdowns for Southeast Asia.
- IETF RFC 7871 on EDNS client subnet — describes how CDN edge selection can depend on resolver behaviour.
- Reddit r/DotA2 and r/Philippines threads on DNS recommendations, used only to confirm that the common advice matches what benchmarks show.