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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

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We will have new systems in place for managing Secondary DNS.
We will have new systems in place for managing Secondary DNS.


==IP addresses for ACLs==
If we are running secondary DNS to your own primary, then please allow these IP addresses for zone transfers:
===New===
Starting from March 2025 we initiate zone transfers from these IP addresses:
*194.4.172.3
*194.4.172.4
*2001:8b6:1:0:194:4:172:3
*2001:8b6:1:0:194:4:172:3

===Legacy ===
These will still be in use until mid-2025. Keep these in your ACLs as well as the new ones above.
*194.4.173.1
*2001:8b0:0:81::51bb:5120