Alternatives
DNSChecker Alternative — Free DNS Propagation & Record Lookups
DNSChecker is widely used for one job in particular: seeing whether a DNS change has propagated, by querying resolvers in different locations.
Why people look for something else
- You want propagation checking plus the rest of the DNS toolkit in one place.
- You need DNSSEC, CAA, SOA or SRV alongside the usual A/AAAA/MX/TXT.
- You want a single combined report rather than running six lookups by hand.
What iPGaze does here
iPGaze compares a record across public resolvers to show propagation gaps, and adds the parts of DNS that usually need a second site: DNSSEC chain status, CAA records controlling which certificate authorities may issue for the domain, SOA timers, SRV service records, and the authoritative nameservers as the parent zone reports them.
The DNS Report tool runs the common checks together and returns one page, which is usually what you actually want when a domain is misbehaving and you do not yet know why.
One honest caveat about propagation checking generally, ours included: querying a set of public resolvers tells you what those resolvers currently hold in cache. It is a good proxy and it is what everyone uses, but it is not a global census, and a resolver your users actually use may still be serving the old answer.
The overlapping tools
All free, no account, no result limits:
- DNS PropagationCompare a DNS record across 8 public resolvers to spot propagation gaps.
- DNS LookupLook up A, AAAA, MX, TXT, NS, CNAME and SOA records for a domain.
- DNS ReportA health check of a domain's NS, SOA, A/AAAA, MX and SPF configuration.
- DNSSEC CheckCheck whether a domain is DNSSEC-signed and validates correctly.
- CAA LookupList the Certificate Authority Authorization (CAA) records for a domain.
- SOA LookupFetch the Start of Authority record (primary NS, serial, timers).
- SRV LookupResolve SRV records for a service name like _sip._tcp.example.com.
- Nameserver LookupList a domain's authoritative nameservers and their IP addresses.
Scriptable, if you need it
30 of these lookups are available as a free JSON API with no key, no signup and CORS enabled, so a check you run by hand can become a scheduled job. Read the API docs.
Other comparisons
We deliberately make no claims about DNSChecker's pricing, quotas or feature set — those change, and a stale comparison helps nobody. Everything stated above about iPGaze is checkable by running the tools.