Multiple Choice: DNS Servers on CentOS

A quick discussion on the state of Open Source DNS servers, authoritative and recursive. (updated 2013-04-09)

Transcript

1. Multiple Choice DNS Servers on CentOS Jan-Piet Mens April 2013 @jpmens
2. @jpmens: consultant, author, architect, part-time admin, small-scale fiddler, loves LDAP, DNS, plain text, and things that work.
3. a selection of open source DNS servers authoritative or recursive (or both) for devs and admins
4. /etc/hosts
5. dnsmasq recursive, authoritative for /etc/hosts, DHCP (v4, v6)
6. Unbound local-data, DNSSEC, dnssec-trigger, +win32, embeddable, fast, extensible with Python
7. NSD very fast, TSIG + DNSSEC, zone compiler, root
8. NSD 4 all of the above, addzone/delzone, ram-hungry+, and RRL
9. BIND full reference implementation, TSIG, DNSSEC, +win32, SDB, DLZ, RFC 2136, ram-hungry, RPZ, views, RRL
10. BIND 10 completely different. Python, C++, REST, DHCP
11. Knot master/slave, AXFR/IXFR, ram-hungry++, RFC 2136, addzone, RRL
12. Yadifa authoritative, DNSSEC, RFC 2136
13. PowerDNS authoritative lots of back-ends (SQL, LDAP, pipe), DNSSEC, master/slave/ native, supermaster
14. PowerDNS recursor local zones, serves /etc/hosts, monitoring, Lua
15. RPMs Server Current Centos6 EPEL 6 RepoForge External pdns 3.2 - 3.1 - ✓ pdns-recursor 3.3 - 3.3 - ✓ NSD 3.2.15 - 3.2.14 - Unbound 1.4.20 1.4.19 - ✓ dnsmasq 2.65 2.48 - - NSD 4 4.0.0b1 - - - BIND 9.9.2-P1 9.8.2 ✓ BIND 10 1.1.0 - - - Knot 1.2.0-rc3 - - - ✓ Yadifa 1.0.2 - - -
16. make install fpm, local repo
17. mens.de/:/book
18. It's not always a fscking DNS problem.
19. dnssexy.net dig it!