Return Codes
A reference guide to all Guardian Mail return codes, mapping DNSBL responses to their corresponding threat lists and data types for accurate interpretation and filtering.
Here is a list of all the possible return codes from Guardian Mail:
| Return Code | List | Type |
|---|---|---|
| 127.0.0.2 | black | IP |
| 127.0.0.200 | black (manual listings) | IP |
| 127.0.0.3 | black (composite/heuristic) | IP |
| 127.0.0.4 | exploit authbl | IP |
| 127.0.0.5 | forged | IP (Beta) |
| 127.0.0.6 | blackscatter | IP (Beta) |
| 127.0.0.11 | policy (generic rDNS) | IP |
| 127.0.0.12 | policy (missing rDNS) | IP |
| 127.0.0.100 | noip | IP (Beta) |
| 127.0.1.1 | dblack | Domain |
| 127.0.1.2 | dblack (Newly Observed Domain) | Domain |
| 127.0.1.3 | dblack (Unshortened) | Domain |
| 127.0.2.1 | white | IP, Domain |
| 127.0.3.1 | shorthash | Hash |
| 127.0.3.2 | diskhash | Hash |
| 127.0.4.1 | btc-wallets | Hash (Beta) |
| 127.0.5.1 | attachhash | Hash (Beta) |
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