Precise DNS

rule.school NS record

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Results NS

ns23.cloudns.net

pns24.cloudns.net

pns22.cloudns.net

pns23.cloudns.net

ns24.cloudns.net

pns21.cloudns.net

ns21.cloudns.net

ns22.cloudns.net

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Same target (rule.school) — open the next tool without retyping.

CAA Record CheckerSame targetCheck CAA DNS records, authorized CAs, issuewild and iodefrule.schoolOpen
Domain IP LookupSame targetA and AAAA IP addresses for a domainrule.schoolOpen
SPF ValidatorSame targetValidate SPF TXT records, mechanisms and terminal allrule.schoolOpen
DMARC AnalyzerSame targetDMARC policy, alignment and reporting checksrule.schoolOpen
DKIM ValidatorSame targetDKIM selector lookup and record validationrule.schoolOpen
Domain Age CheckerSame targetCreation date, age, registrar and expiryrule.schoolOpen
Blacklist CheckerSame targetDNSBL reputation for IP and domainrule.schoolOpen
BIN CheckerCard brand, bank and country from BIN/IINOpen
DNS CheckerSame targetAll major record types in one passrule.schoolOpen
WHOISSame targetRegistrar, expiry and domain statusrule.schoolOpen
SSL Certificate CheckerSame targetCertificate chain, SAN and TLS versionrule.schoolOpen
HTTP/2 TesterSame targetHTTP/2 support, ALPN and TLS negotiationrule.schoolOpen
HTTP Header CheckerSame targetResponse headers, redirects and cachingrule.schoolOpen
Punycode ConverterSame targetUnicode ↔ Punycode for IDN domainsrule.schoolOpen
IP CalculatorSubnet math for IPv4 and IPv6 CIDROpen
Base64 CodecEncode and decode Base64 textOpen
Password GeneratorStrong random passwords for ops workOpen
Password Strength CheckerEntropy, crack time and password suggestionsOpen
Passphrase GeneratorMemorable random word phrases for safer sharing testsOpen
URL SplitterSame targetBreak a URL into parts and query paramshttps://rule.school/Open
Browser Update CheckerBrowser version, update status and Client HintsOpen

Full tool catalog →

Guides

Practical guides for common DIG tasks — DNS records, troubleshooting steps, and links to our free tools.

dig online tool, dig dns lookup, dig command alternative
DIG Online — DNS Query Without Terminal
Use an online DIG tool for A, MX, NS, TXT, and other record types when terminal dig is unavailable. Compare with DNS Checker all-records view.
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DIG NS Lookup — Find Authoritative Nameservers
How to check NS records with DIG, delegation glue, mismatched registrar NS, and fixing DNS after hosting moves.
Read article →
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DIG vs nslookup — Which DNS Tool to Use
Compare dig and nslookup for DNS troubleshooting, output sections, scripting, and when an online DIG tool is enough.
Read article →
dig mx troubleshooting, mx record dig query, mail routing dig
DIG MX Troubleshooting — Mail Routing Debug
Use DIG type MX to debug mail routing, priorities, and stale exchangers.
Read article →
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Validate SPF with DIG TXT Queries
Confirm SPF strings with focused DIG TXT lookups before senders fail auth.
Read article →
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DIG A and AAAA Lookups for Hosting Cutover
Use DIG type A and AAAA to verify hosting migrations before and after TTL expiry.
Read article →
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DIG CAA Queries Before Certificate Issuance
Check CAA records with DIG before your CA rejects issuance or a restrictive policy blocks renewal.
Read article →
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Monitor Zone Changes with DIG SOA Serial
Track SOA serial increments after DNS edits to confirm authoritative zones updated.
Read article →

Back to DIG

Results NS

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Related articles

DIG Online — DNS Query Without Terminal

DIG NS Lookup — Find Authoritative Nameservers

DIG vs nslookup — Which DNS Tool to Use

DIG MX Troubleshooting — Mail Routing Debug

Validate SPF with DIG TXT Queries

DIG A and AAAA Lookups for Hosting Cutover

DIG CAA Queries Before Certificate Issuance

Monitor Zone Changes with DIG SOA Serial