| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| a4b.io | SOA | 900 | ns-2003.awsdns-58.co.uk awsdns-hostmaster@amazon.com 1 7200 900 1209600 86400 | |
| a4b.io | NS | 21600 | ns-379.awsdns-47.com | |
| a4b.io | NS | 21600 | ns-1374.awsdns-43.org | |
| a4b.io | NS | 21600 | ns-803.awsdns-36.net | |
| a4b.io | NS | 21600 | ns-2003.awsdns-58.co.uk |