x-arc
HTTP response headerA header containing email authentication results like SPF DKIM and DMARC
Header usage statistics
x-arc response header information and usage statistics.| Websites using header x-arc | 3,149 |
| Percentage of websites that use x-arc header | <0.1% |
| Total discovered header values | 5 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  US |
x-arc Directives
x-arc directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
Distribution by websites popularity
x-arc detection in the top websites by popularity| Top 10k sites | 4 websites |
| Top 100k sites | 51 websites |
| Top 1m sites | 65 websites |
Websites utilizing x-arc
List of websites that use x-arc header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| US | 97 | ||
| US | 1,643 | ||
| US | 3,120 | ||
| US | 8,880 | ||
| US | 10,372 | ||
| US | 17,141 |
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Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common x-arc header values| Header value | Value prevalence |
|---|---|
| 101 | 98.44% |
| 6a | 1.46% |
| 1 | 0.03% |
| 6C | 0.03% |
| Inter Tenebras Et Lucum | 0.03% |