Specifications | DNS Database Download | WhoisXML API

Specifications

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Please go to https://www.whoisxmlapi.com/support/WhoisAPIDatabaseSLA.pdf to view the complete license agreement.

FAQs

  • Data Dictionaries for Database Download Products: HTML, ODT, TXT, PDF

Samples

Downloading via HTTPs

Downloading via FTP

  • Host: datafeeds.whoisxmlapi.com
  • Port: 21210
  • Username: 'user'
  • Password: equal to your personal API Key which you can obtain from the My Products page.

Average file sizes

A files

gzip unpacked records
.academic 7.3GiB 38.9GiB 716.2K
.weekly.full 14.1GiB 77.9GiB 1.4M
.weekly.diff 598.9MiB 2.5GiB 36.1K
.monthly.diff 1.7GiB 7.5GiB 121.6K

MX files

gzip unpacked records
.weekly.full 2.4GiB 15.6GiB 300.1K
.weekly.diff 37.8MiB 266.7MiB 4.3K

NS files

gzip unpacked records
.weekly.full 4.2GiB 29.3GiB 630.3K
.weekly.diff 94.5MiB 667.4MiB 13.5K

Output structure and fields' descriptions

A files

  • Structure: <DOMAIN>,<LAST_UPDATE_TIMESTAMP>,<IP1> <IP2> ... <IPn>
  • Example: zs12p1.gotoip1.com.cname.yunjiasu-cdn.net,1530959456,162.159.210.99 162.159.211.99
DOMAIN
Domain or subdomain name.
LAST_UPDATE
UNIX timestamp of the last visit/update on current record. If there is more than one IP address, the timestamp corresponds to all of them.
IP1, IP2, IPn
List of IPs associated with the domain, separated by space.

MX files

  • Structure:
    - <DOMAIN-A>,<LAST_UPDATE_TIMESTAMP>,<PRIORITY>,<MX1>
    - <DOMAIN-A>,<LAST_UPDATE_TIMESTAMP>,<PRIORITY>,<MX2>
    - <DOMAIN-B>,<LAST_UPDATE_TIMESTAMP>,<PRIORITY>,<MX1>
    - ...
  • Example:
    - 003vendor.com,1608996228,20,alt1.aspmx.l.google.com
    - 003vendor.com,1608996228,20,alt2.aspmx.l.google.com
DOMAIN
Domain or subdomain name.
LAST_UPDATE
UNIX timestamp of the last visit/update on current record.
PRIORITY
Priority identifies which mailserver should be preferred.
MX
The MX record associated with the domain.

NS files

  • Structure:
    - <DOMAIN-A>,<LAST_UPDATE_TIMESTAMP>,<NS1>
    - <DOMAIN-A>,<LAST_UPDATE_TIMESTAMP>,<NS2>
    - <DOMAIN-B>,<LAST_UPDATE_TIMESTAMP>,<NS1>
    - ...
  • Example:
    - 0001.cn,1608996268,dns1.hichina.com
    - 0001.cn,1608996268,dns2.hichina.com
DOMAIN
Domain or subdomain name.
LAST_UPDATE
UNIX timestamp of the last visit/update on current record.
NS
The NS record associated with the domain.
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