This tool helps you to make sure for url is valid in your sites sitemap file.

• Download released binary
• sudo mv checker-linux-amd64 /usr/local/bin/sitemap-checker
• sudo chmod +x /usr/local/bin/sitemap-checker

Single sitemap validation:

sitemap-checker -uri=http://sitename.com/sitemap.xml -out=output.xml

Sitemap index file validation with connected sitemaps:

sitemap-checker -uri=http://sitename.com/sitemap.xml -index

After process completed, you will see validated xml sitemap in current directory. You can use that sitemaps.