NTP Stratum 1 and Stratum 2 UK Time Servers

KB ID 0001154 Dtd 07/02/16


There are a LOT of NTP servers lists published. I’ve sat and checked all the servers below, and their DNS resolution, and they are correct as at the date above.


Stratum 1


IP Address Resolvable By


chronos.csr.net DNS Cambridge

Stratum 2


IP Address Resolvable By


0.uk.pool.ntp.org DNS Various
1.uk.pool.ntp.org DNS Various
2.uk.pool.ntp.org DNS Various
3.uk.pool.ntp.org DNS Various
ntp.plus.net DNS Various
ntp.first2know.net DNS Edinburgh
ntp2a.mcc.ac.uk DNS Manchester
ncl.ac.uk DNS Newcastle
ntp2b.mcc.ac.uk. DNS Manchester
ntp2c.mcc.ac.uk DNS Manchester
ntp2d.mcc.ac.uk DNS Manchester
ntp.exnet.com DNS London
ntp.cis.strath.ac.uk DNS Strathclyde
ntppub.le.ac.uk 2001:630:306:10::c DNS Leicester

Related Articles, References, Credits, or External Links

UK – Internet Service Provider – DNS Server Addresses

VMware – Setting up ESX NTP Time Sync

Cisco ASA – Configuring for NTP

Author: PeteLong

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