supermedia.pl has no AAAA records.
Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=ag6ejxPkPkWgtMcL8T0tKNQNrgla1BoRJw5hFmWv4apJS//UxlRq5/xDt7eRczI9
Atlassian
Domain verification
atlassian-domain-verification=tMRZzBa5zQa7/RtA23pZvOjKiNVAxzU1S/kQmoXOuiT/jcolZ3LUaekhc5cnc7BQ
CERT Polska
Domain verification
mojecertpl-site-verification-Bodfe9N7DPXn3ENM6Q3BnyHNE8sKzkq5
CERT Polska
Domain verification
mojecertpl-site-verification-wXIvElUiwdS0FbsFz8UNuMX06rZHlGzh
Facebook
Domain verification
facebook-domain-verification=sx75b8f6yvz4eiuqw7j5m3pmjpt143
Google
Domain verification
google-site-verification=GCGiF-5hm8h8K75nDnFrzz26a4ACJ3nPTUPMtbnEmbc
Microsoft
Domain verification
MS=ms97887910
Webflow
Domain verification
proxy-ssl.webflow.com
SUPERMEDIA Sp. z o.o. - Internet Service Provider
Zone apex
Start of authority
Email
Serial
2026021901
Refresh
4h
Retry
2h
Expire
8h
Negative cache TTL
2h