Hacker ApprovedDepartments

BIND 9

Ranked 2 of 6 DNS servers by recommenders

Mature, stable DNS server people trust for DNSSEC, zone replication and split views. Critics point to a long history of security vulnerabilities.

Mature, stable DNS server people trust for DNSSEC, zone replication and split views. Critics point to a long history of security vulnerabilities.

26 people gave an opinion

recommend it
17
criticize it
9
approval share
65%
Each figure is one person. RecommendsCriticizes

Recommended in 8 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 17 people recommend itNeeds 10 or more, met.
  • 1.8 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 8 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Long deployment history, battle-tested

    “No other DNS resolver is going to come close to it's number of deployment*years in operation.”

    Comment from 27 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

    “the most battle tested of them all”

    Comment from 20 Nov 2025 in “Self-hosting DNS for no fun, but a little profit”
  • Simple, stable and few issues

    “I've been very happy with it, very few issues other than my own folly”

    Comment from 25 Mar 2026 in “You Can Run a DNS Server”

    “It’s incredibly simple and stable and easy to understand”

    Comment from 4 Jun 2026 in “DNS Is for People – Not for IT Infrastructure”
  • Handles DNSSEC without issues

    “modern bind9 seems to just handle DNSSEC with no issues when I've used it”

    Comment from 27 Apr 2026 in “Revocation of X.509 Certificates”

    “I've run DNSSEC with all three and have no complaints.”

    Comment from 25 Mar 2026 in “You Can Run a DNS Server”
  • Split views and zone replication

    “I use BIND and DNS replication (AXFR/IXFR) handles it.”

    Comment from 6 May 2026 in “.de TLD offline due to DNSSEC?”

    “My favorite feature of bind is "split views"”

    Comment from 30 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

What people warn about

Each mark is one comment

  • Long history of security vulnerabilities

    “it's just a badly engineered piece of software and had braindead vulnerabilities for decades”

    Comment from 1 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

    “bind9 is not a dns server but a collection of all available CVE types for further studying”

    Comment from 28 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

    “All software from ISC was/is littered with security vulnerabilities.”

    Comment from 5 Dec 2025 in “Kea DHCP: Modern, open source DHCPv4 and DHCPv6 server”
  • Bugs, including upgrade problems

    “bind eating their query counter on IPv6 even if you don't have IPv6 routing”

    Comment from 28 Apr 2026 in “Its always DNS: Why the default BIND setup is failing to resolve”

    “Bind is the Microsoft Windows of DNS servers - a lot of users and bugs”

    Comment from 3 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

    “they had an issue with BIND upgrade and it made up new keys”

    Comment from 8 May 2026 in “.de TLD offline due to DNSSEC?”
  • Arcane syntax and zone files

    “arcane syntax that BIND 9 is apparently famous of”

    Comment from 25 Mar 2026 in “You Can Run a DNS Server”

    “sick of maintaining BIND files”

    Comment from 5 Feb 2026 in “When internal hostnames are leaked to the clown”

Other DNS servers people recommend

The four most recommended other DNS servers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

BIND 9 compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
dnsmasq321174%10—Approved
BIND 9This page17965%8——
PowerDNS150100%10—Approved
djbdns8280%6——
Technitium DNS Server7278%6——
See all 6 DNS servers, ranked

What people said

29 of the 32 comments that mention it, newest first. Each links to the original comment.

“just don't reimplement all the CVEs that BIND had in the 90s”

CriticizesComment from 28 Aug 2026 in “Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache”

“Run your own instance of bind9 or whatever, with the cache disabled.”

RecommendsComment from 16 Jun 2026 in “The ghost domain problem in DNS, and what we're doing about it”

“It’s incredibly simple and stable and easy to understand”

RecommendsComment from 4 Jun 2026 in “DNS Is for People – Not for IT Infrastructure”

“they had an issue with BIND upgrade and it made up new keys”

CriticizesComment from 8 May 2026 in “.de TLD offline due to DNSSEC?”

“I use BIND and DNS replication (AXFR/IXFR) handles it.”

RecommendsComment from 6 May 2026 in “.de TLD offline due to DNSSEC?”

“Unfortunately bind is as buggy as it always been.”

CriticizesComment from 6 May 2026 in “Its always DNS: Why the default BIND setup is failing to resolve”

“I tried to report this to the upstream, but it was closed as "not a bug"”

CriticizesComment from 5 May 2026 in “Its always DNS: Why the default BIND setup is failing to resolve”

“bind eating their query counter on IPv6 even if you don't have IPv6 routing”

CriticizesComment from 28 Apr 2026 in “Its always DNS: Why the default BIND setup is failing to resolve”

“modern bind9 seems to just handle DNSSEC with no issues when I've used it”

RecommendsComment from 27 Apr 2026 in “Revocation of X.509 Certificates”

“arcane syntax that BIND 9 is apparently famous of”

CriticizesComment from 25 Mar 2026 in “You Can Run a DNS Server”

“I've been very happy with it, very few issues other than my own folly”

RecommendsComment from 25 Mar 2026 in “You Can Run a DNS Server”

“it works well enough across a bunch of domains”

RecommendsComment from 25 Mar 2026 in “You Can Run a DNS Server”

“BIND is still my go-to because I am familiar with it.”

RecommendsComment from 25 Mar 2026 in “You Can Run a DNS Server”

“I've run DNSSEC with all three and have no complaints.”

RecommendsComment from 25 Mar 2026 in “You Can Run a DNS Server”

“I use bind 9 and nginx for that”

RecommendsComment from 9 Mar 2026 in “My Homelab Setup”

“you can limit an hmac-secret to one TXT record, so each webserver that uses rfc2136 for certificate renewals is only capable of updating its specific record”

RecommendsComment from 19 Feb 2026 in “DNS-Persist-01: A New Model for DNS-Based Challenge Validation”

“I like this because it means an attacker who compromises "bob" can only get certs for "bob".”

RecommendsComment from 18 Feb 2026 in “DNS-Persist-01: A New Model for DNS-Based Challenge Validation”

“sick of maintaining BIND files”

CriticizesComment from 5 Feb 2026 in “When internal hostnames are leaked to the clown”

“someone running their own recursive DNS server (like Bind9 or Unbound) can trivially bypass these restrictions”

RecommendsComment from 29 Dec 2025 in “List of domains censored by German ISPs”

“All software from ISC was/is littered with security vulnerabilities.”

CriticizesComment from 5 Dec 2025 in “Kea DHCP: Modern, open source DHCPv4 and DHCPv6 server”

“Bind is the Microsoft Windows of DNS servers - a lot of users and bugs”

CriticizesComment from 3 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“And yet somehow, the internet has much bigger problems...”

RecommendsComment from 2 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“it's just a badly engineered piece of software and had braindead vulnerabilities for decades”

CriticizesComment from 1 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“at work, we use Windows DNS and Bind in parallel”

MixedComment from 1 Dec 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“My favorite feature of bind is "split views"”

MixedComment from 30 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“bind9 is not a dns server but a collection of all available CVE types for further studying”

CriticizesComment from 28 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“No other DNS resolver is going to come close to it's number of deployment*years in operation.”

RecommendsComment from 27 Nov 2025 in “DNS Firewalling with MISP and Technitium DNS Server”

“the most battle tested of them all”

RecommendsComment from 20 Nov 2025 in “Self-hosting DNS for no fun, but a little profit”

“RPZ allow DNS resolvers to lie to clients by returning (nxdomain or redirects to other domains)”

CriticizesComment from 10 Nov 2025 in “DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat"”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.