# GeoDNS Server **URL:** https://community.ntppool.org/c/geodns/11.md [Latest](https://community.ntppool.org/latest.md) · [Categories](https://community.ntppool.org/categories.md) · [Tags](https://community.ntppool.org/tags.md) --- ## [About the GeoDNS Server category](https://community.ntppool.org/t/about-the-geodns-server-category/768)
**Author:** [@ask](https://community.ntppool.org/u/ask)\ **Replies:** 0
Questions and discussion about the GeoDNS server the NTP Pool uses to direct clients to a nearby NTP server. --- ## [Some geoDNS servers are not working](https://community.ntppool.org/t/some-geodns-servers-are-not-working/3513)
**Author:** [@NTPman](https://community.ntppool.org/u/NTPman)\ **Replies:** 8\ **Last updated:** [June 2, 2026, 12:08pm UTC](https://community.ntppool.org/t/some-geodns-servers-are-not-working/3513 "2026-06-02T12:08:59Z")
Hello, Some geoDNS servers are not working: tumbleweed:~ # dig pool.ntp.org @2a0b:4341:1500:142:5054:ff:fef5:ba1c ;; communications error to 2a0b:4341:1500:142:5054:ff:fef5:ba1c#53: connection refused ;; communications… --- ## [Question about the GeoDNS server](https://community.ntppool.org/t/question-about-the-geodns-server/4464)
**Author:** [@marco.davids](https://community.ntppool.org/u/marco.davids)\ **Replies:** 19\ **Last updated:** [May 21, 2026, 3:11pm UTC](https://community.ntppool.org/t/question-about-the-geodns-server/4464 "2026-05-21T15:11:28Z")
Just a quick question: Is there a chance that when someone configures the lines below, the DNS responses for 0.pool.ntp.org and 3.pool.ntp.org may partially overlap? In other words, could one or more A records returned… --- ## [IPv6 server incorrectly geolocated to Europe/France — US-based server via HE tunnel](https://community.ntppool.org/t/ipv6-server-incorrectly-geolocated-to-europe-france-us-based-server-via-he-tunnel/4340)
**Author:** [@StrawberryMew](https://community.ntppool.org/u/StrawberryMew)\ **Replies:** 2\ **Last updated:** [April 14, 2026, 6:34am UTC](https://community.ntppool.org/t/ipv6-server-incorrectly-geolocated-to-europe-france-us-based-server-via-he-tunnel/4340 "2026-04-14T06:34:51Z")
recently added an IPv6 NTP server to the pool (2001:470:b80f:28::15) which was auto-assigned to the europe and fr zones, but the server is physically located in the US (Texas). The incorrect geolocation is caused by Hurr… --- ## [Certain servers are not replying](https://community.ntppool.org/t/certain-servers-are-not-replying/3238)
**Author:** [@mon](https://community.ntppool.org/u/mon)\ **Replies:** 43\ **Last updated:** [June 5, 2025, 4:22pm UTC](https://community.ntppool.org/t/certain-servers-are-not-replying/3238 "2025-06-05T16:22:13Z")
Addresses from 222.127.1.xxx return no data causing my time to mostly go out of sync. I am in Philippines and these are the addresses I usually get. I can ping these servers. It’s just the NTP that doesn’t work. $ ntpda… --- ## [DNS queries per country](https://community.ntppool.org/t/dns-queries-per-country/3749)
**Author:** [@ebahapo](https://community.ntppool.org/u/ebahapo)\ **Replies:** 1\ **Last updated:** [January 14, 2025, 5:43pm UTC](https://community.ntppool.org/t/dns-queries-per-country/3749 "2025-01-14T17:43:35Z")
We have the fine pages that show the number of servers per each country or continent. Are the statistics for the number of DNS queries per each country or continent? Methinks that it’d be useful to have such informatio… --- ## [Thoughts about the GeoDNS mapping](https://community.ntppool.org/t/thoughts-about-the-geodns-mapping/3475)
**Author:** [@john1](https://community.ntppool.org/u/john1)\ **Replies:** 12\ **Last updated:** [August 25, 2024, 4:09am UTC](https://community.ntppool.org/t/thoughts-about-the-geodns-mapping/3475 "2024-08-25T04:09:48Z")
I have been looking at my 2 NTP server’s client distribution statistics. Their IPv6 looks like this: za 283.14 ‱ 293.24 ‱ (0.97x) eg 248.68 ‱ us 2.09 ‱ tn 248.33 ‱ ng 226.05 ‱ And for IPv4 it looks … --- ## [Blog and paper about GeoDNS mappings](https://community.ntppool.org/t/blog-and-paper-about-geodns-mappings/3284)
**Author:** [@giovane](https://community.ntppool.org/u/giovane)\ **Replies:** 0\ **Last updated:** [March 14, 2024, 8:48am UTC](https://community.ntppool.org/t/blog-and-paper-about-geodns-mappings/3284 "2024-03-14T08:48:55Z")
Folks, We have released a blog about the mappings of GeoDNS, how it gets to choose who sees which servers: https://www.sidnlabs.nl/en/news-and-blogs/ntp-pool-the-internet-timekeeper It’ s based on a paper that we have… --- ## [Issues with NTP server from argentina](https://community.ntppool.org/t/issues-with-ntp-server-from-argentina/3201)
**Author:** [@fermino](https://community.ntppool.org/u/fermino)\ **Replies:** 3\ **Last updated:** [January 15, 2024, 4:30pm UTC](https://community.ntppool.org/t/issues-with-ntp-server-from-argentina/3201 "2024-01-15T16:30:21Z")
Hi! Since some time ago (not sure when) I started receiving some errors with NTP. I am using {0-4}.debian.pool.ntp.org, but the error happens also with 0.pool.ntp.org (right now for me it resolves to the same IP). I’m gu… --- ## [Could Someone help me knowing whether in.pool.ntp.org is synced with NIC or NPL server in India](https://community.ntppool.org/t/could-someone-help-me-knowing-whether-in-pool-ntp-org-is-synced-with-nic-or-npl-server-in-india/2739)
**Author:** [@Vinodcomin](https://community.ntppool.org/u/Vinodcomin)\ **Replies:** 7\ **Last updated:** [March 29, 2023, 11:31am UTC](https://community.ntppool.org/t/could-someone-help-me-knowing-whether-in-pool-ntp-org-is-synced-with-nic-or-npl-server-in-india/2739 "2023-03-29T11:31:58Z")
Could Someone help me knowing whether in.pool.ntp.org is synced with NIC or NPL server in India. or On which basis the time is synced in in.pool.ntp.org servers? --- ## [GeoDNS history: why not BIND or PowerDNS](https://community.ntppool.org/t/geodns-history-why-not-bind-or-powerdns/2235)
**Author:** [@giovane](https://community.ntppool.org/u/giovane)\ **Replies:** 4\ **Last updated:** [November 30, 2021, 8:00pm UTC](https://community.ntppool.org/t/geodns-history-why-not-bind-or-powerdns/2235 "2021-11-30T20:00:47Z")
I was wondering what motivated @ask and others to write a authoritative DNS server from scratch. Wasn’t like PowerDNS GeoIP backend available at the time? BTW, when was GeoDNS first deployed? I see it’s been on GitHub … --- ## [Number of DNS quiries decreasses from 33K to 2K](https://community.ntppool.org/t/number-of-dns-quiries-decreasses-from-33k-to-2k/2236)
**Author:** [@richard](https://community.ntppool.org/u/richard)\ **Replies:** 6\ **Last updated:** [November 30, 2021, 11:05am UTC](https://community.ntppool.org/t/number-of-dns-quiries-decreasses-from-33k-to-2k/2236 "2021-11-30T11:05:14Z")
I wonder why the sudden decrease and which number is correct… --- ## [Net speed - another question](https://community.ntppool.org/t/net-speed-another-question/1978)
**Author:** [@marco.davids](https://community.ntppool.org/u/marco.davids)\ **Replies:** 3\ **Last updated:** [April 21, 2021, 3:27pm UTC](https://community.ntppool.org/t/net-speed-another-question/1978 "2021-04-21T15:27:17Z")
What would happen if I am the only server in a country, set my ‘net speed’ nicely low, but there are a lot of clients trying to connect nevertheless (like when you are the only IPv6-server in South Korea) ? Would there … --- ## [Non-working DNS service on a.ntpns.org and e.ntpns.org](https://community.ntppool.org/t/non-working-dns-service-on-a-ntpns-org-and-e-ntpns-org/1660)
**Author:** [@NTPman](https://community.ntppool.org/u/NTPman)\ **Replies:** 2\ **Last updated:** [May 16, 2020, 9:32pm UTC](https://community.ntppool.org/t/non-working-dns-service-on-a-ntpns-org-and-e-ntpns-org/1660 "2020-05-16T21:32:29Z")
I do not know is it the appropriate place to report, but seemingly the following name servers are not answering at all: 2600:3c03::f03c:91ff:fe83:79dd (a.ntpns.org): # dig +tcp 2.pool.ntp.org @2600:3c03::f03c:91ff:fe83… --- ## [Relation between the bandwidth and weights assigned to the pool servers](https://community.ntppool.org/t/relation-between-the-bandwidth-and-weights-assigned-to-the-pool-servers/1622)
**Author:** [@reen.gagan](https://community.ntppool.org/u/reen.gagan)\ **Replies:** 1\ **Last updated:** [March 25, 2020, 11:39am UTC](https://community.ntppool.org/t/relation-between-the-bandwidth-and-weights-assigned-to-the-pool-servers/1622 "2020-03-25T11:39:18Z")
I was reading up a little about GeoDNS and from what I understand, an IP can have a specific weight assigned to it. Is there a direct relation between the bandwidth that I select for a server while adding it to the pool… --- ## [Could someone help me to identify ipaddress for \*.pool.ntp.org](https://community.ntppool.org/t/could-someone-help-me-to-identify-ipaddress-for-pool-ntp-org/1597)
**Author:** [@Madan](https://community.ntppool.org/u/Madan)\ **Replies:** 9\ **Last updated:** [February 21, 2020, 11:02am UTC](https://community.ntppool.org/t/could-someone-help-me-to-identify-ipaddress-for-pool-ntp-org/1597 "2020-02-21T11:02:24Z")
Hello All - I am raising a firewall request with my network team for \*.pool.ntp.org domain. They came back asking for ip details. Though I mentioned as dynamic ip, the team is requesting to provide a range. Could you ple… --- ## [South African NTP server hammered by Chinese IPs](https://community.ntppool.org/t/south-african-ntp-server-hammered-by-chinese-ips/1003)
**Author:** [@lammert](https://community.ntppool.org/u/lammert)\ **Replies:** 6\ **Last updated:** [December 8, 2018, 8:13pm UTC](https://community.ntppool.org/t/south-african-ntp-server-hammered-by-chinese-ips/1003 "2018-12-08T20:13:16Z")
Since a week I am in the process of adding a server in South Africa to the NTP pool. I was prepared to see a high QPS because the continent is only served by 27 active IPv4 and 15 active IPv6 servers, but when traversing…