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Networking Tools

DNS and networking utilities to look up records, run reverse DNS queries, inspect DNSSEC, and validate infrastructure.

Inside the Networking toolkit

Discover fast, browser-based utilities curated for networking workflows. Launch any tool to start using it immediately—no downloads, no sign-up, and results you can copy or export for your projects.

Popular picks include DNS Record Lookup, A Record Checker, AAAA Record Checker.

DNS Record Lookup

Look up DNS A, AAAA, MX, TXT, CNAME, NS, and DNSSEC records instantly using Google's public resolver.

A Record Checker

Fetch IPv4 A records for any domain to verify hosting changes and troubleshoot DNS issues.

AAAA Record Checker

Check AAAA records to confirm IPv6 addresses published for your domain and diagnose dual-stack issues.

MX Record Checker

List MX records to see which mail exchangers handle email for a domain and validate deliverability setups.

TXT Record Checker

Inspect TXT records for SPF, DKIM, DMARC, and verification tokens published on any domain.

CNAME Record Checker

Reveal CNAME aliases to see how hostnames map to canonical domains, CDNs, and services.

NS Record Checker

List the authoritative name servers responsible for a domain's DNS zone and confirm delegation.

SOA Record Checker

Fetch SOA records to review the primary name server, contact, serial, and timing values for a zone.

SRV Record Checker

Query SRV records to map protocols and ports to hostnames for services like SIP, XMPP, LDAP, and more.

PTR Record Lookup

Perform reverse DNS lookups to translate IPv4 or IPv6 addresses into hostnames using PTR records.

DNSKEY Record Checker

Retrieve DNSKEY records published for DNSSEC validation, including algorithms, key tags, and public keys.

DS Record Checker

Check DS records to confirm DNSSEC delegation between parent and child zones and review key digests.

RRSIG Record Checker

View RRSIG records to inspect DNSSEC signatures, inception and expiration windows, and covered record sets.

NSEC Record Checker

Inspect NSEC records to understand how a zone proves the nonexistence of names and reveals covered ranges.

NSEC3PARAM Checker

Fetch NSEC3PARAM values to review the hashing algorithm, salt, and iteration count used for DNSSEC denial of existence.

LOC Record Checker

Look up LOC records that publish latitude, longitude, and altitude metadata for domains and hosts.

CERT Record Checker

Display CERT records that embed public key certificates in DNS for experimental or legacy deployments.

IPSECKEY Record Checker

Check IPSECKEY records that distribute public keys for IPsec security associations and VPN discovery.

WHOIS Lookup

Look up domain WHOIS information including registrar, status, expiry dates, and name servers. Cached responses keep repeat queries fast.

SSL Certificate Inspector

Fetch live TLS certificate details from a hostname. Verify issuer, validity dates, SAN entries, and the complete certificate chain in one view.

Networking tools FAQ

What can I do with networking tools?

Use this toolkit to handle common networking workflows such as dns record lookup, a record checker, aaaa record checker. Each utility opens instantly in your browser—no installs or accounts required.

How many networking tools does ToolHop provide?

This category currently includes 20 dedicated networking utilities with descriptive guides and shareable deep links. We expand the collection whenever we release new helpers for this workflow.

Can I bookmark or share these networking tools?

Yes. Each tool page has a unique URL so you can bookmark frequently used calculators and send teammates directly to the interface they need.

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