UD5 Toolkit
DNS Record Lookup - Online Query A, AAAA, MX, TXT
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT. No logs.
Tag: DNS Lookup - Records Check
11+ toolsDNSSEC Chain Validator - Online Check RRSIG & DS
Validate a DNSSEC chain by entering DS and RRSIG records. Verify that signatures match. Educational. Local algorithm.
DNS Propagation Checker - Online Verify Record Status
Query a domain's DNS record against multiple public resolvers (Google, Cloudflare) and see how it propagates. Client‑side fetch.
DNS Record Syntax Checker - Online Validate BEFORE Publishing
Paste any DNS record and check if its format is valid for the selected record type (A, AAAA, CNAME, MX, TXT, SRV). Prevents typos.
CAA Record Generator - Online DNS Certification Authority
Create a CAA DNS record to specify which certificate authorities can issue SSL certs for your domain. Prevent mis‑issuance.
BIMI Record Generator - Online Brand Logo for Email
Generate a BIMI record to display your verified brand logo in email clients. Includes SVG logo URL and VMC certificate path.
DMARC Record Generator - Online Email Policy Builder
Create a DMARC policy record with percentage, reporting addresses, and alignment mode. Validate and copy the final DNS TXT.
DKIM Record Generator - Online Public Key DNS Entry
Generate a DKIM DNS record from a public key and selector. Check syntax. Improve your domain’s email deliverability.
SPF Record Generator - Online Email Authentication DNS
Build a valid SPF TXT record by selecting mail servers, IPv4/IPv6 ranges, and includes. Validate syntax and get ready‑to‑publish output.
What Are My DNS Servers - Online Detect via Browser
Attempt to detect your current DNS resolver IPs using DNS‑leak test queries. Educational. Privacy‑friendly.
DNS Lookup - Online Domain Records Checker (A, MX, CNAME)
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT records. No logs.