Plain-language guides to DNS records, DNSSEC, WHOIS/RDAP, certificate monitoring, and DNS security posture.https://dnscheckpro.com/en-ushttps://dnscheckpro.com/learn/dns-records-explained/https://dnscheckpro.com/learn/dns-records-explained/A is for address, MX is for mail, TXT is for everything else. Here's what each DNS record type does, when you need it, and the mistakes that quietly break your domain.Mon, 25 May 2026 00:00:00 GMTFundamentalsdns recordsa recordmx recordtxt recordcnamens recordcaa recordsrv recordhttps://dnscheckpro.com/learn/dnssec-basics/https://dnscheckpro.com/learn/dnssec-basics/DNSSEC stops attackers from poisoning DNS responses. Here's how the signing chain works, what to enable at your registrar, and the rollover gotchas that take domains offline.Mon, 25 May 2026 00:00:00 GMTSecuritydnssecdns securityds recorddnskeyrrsigdnssec rolloverkskzskhttps://dnscheckpro.com/learn/whois-vs-rdap/https://dnscheckpro.com/learn/whois-vs-rdap/WHOIS is the 40-year-old protocol behind every domain expiry check. RDAP is its modern successor. Here's how they differ, why both still matter, and what trips up automation.Mon, 25 May 2026 00:00:00 GMTOperationswhoisrdapdomain expirationdomain registration datawhois rate limitrdap api