madisonmk.com has no AAAA records.
Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=r8x26yPG1kPDA6e6I2TM5Y02Lca/enLwxiEwLsi2JYDBC6n9wYfSvhoGBXsaqe5B
Google
Domain verification
google-site-verification=YLP-0dtFu8qjdkG3uyB3QK0K-WusFMgiYg5eP_2OrJU
Sophos
Domain verification
sophos-domain-verification=88ada1560e758dda6e17a766a4220ccfa1b16b661de9a8aaba30c87873882ffa
ns-1444.awsdns-52.org
Amazon Web Services
Route 53
ns-1634.awsdns-12.co.uk
Amazon Web Services
Route 53
ns-261.awsdns-32.com
Amazon Web Services
Route 53
ns-516.awsdns-00.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d