Email authentication

rusdate.net SPF validation

Cached SPF record analysis for this domain.

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SPF validation

Record found

Valid SPF record

Query name

rusdate.net

Terminal all

DNS lookup count

SPF record count

SPF record

v=spf1 include:mxsspf.sendpulse.com a mx ip4:91.226.245.11 ?all

Mechanisms

+include:mxsspf.sendpulse.com+a+mx+ip4:91.226.245.11?all

Warnings

permissive terminal all allows unauthorized senders when earlier mechanisms do not match

Recommendations

use -all for strict rejection or ~all for soft fail after listing every authorized sourcepair with DMARC Analyzer and DKIM Validator before tightening mail authentication enforcement

Tool switcher

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Same target (rusdate.net) — open the next tool without retyping.

Email Auth CheckerSame targetRun SPF, DMARC, and DKIM checks in one auditrusdate.netOpen
DMARC AnalyzerSame targetDMARC policy, alignment and reporting checksrusdate.netOpen
DKIM ValidatorSame targetDKIM selector lookup and record validationrusdate.netOpen
DNS CheckerSame targetAll major record types in one passrusdate.netOpen
DIGSame targetOne record type, resolver-style answerrusdate.netOpen
Domain IP LookupSame targetA and AAAA IP addresses for a domainrusdate.netOpen
Domain Age CheckerSame targetCreation date, age, registrar and expiryrusdate.netOpen
WHOISSame targetRegistrar, expiry and domain statusrusdate.netOpen
HTTP Header CheckerSame targetResponse headers, redirects and cachingrusdate.netOpen
HTTP/2 TesterSame targetHTTP/2 support, ALPN and TLS negotiationrusdate.netOpen
SSL Certificate CheckerSame targetCertificate chain, SAN and TLS versionrusdate.netOpen
CAA Record CheckerSame targetCheck CAA DNS records, authorized CAs, issuewild and iodefrusdate.netOpen
Blacklist CheckerSame targetDNSBL reputation for IP and domainrusdate.netOpen
Punycode ConverterSame targetUnicode ↔ Punycode for IDN domainsrusdate.netOpen
URL SplitterSame targetBreak a URL into parts and query paramshttps://rusdate.net/Open
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
BIN CheckerCard brand, bank and country from BIN/IINOpen
IP CalculatorSubnet math for IPv4 and IPv6 CIDROpen
Browser Update CheckerBrowser version, update status and Client HintsOpen

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Guides

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

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Related articles

SPF TXT record basics at the domain apex

Include mechanisms and third-party senders

Terminal all qualifiers: pass, fail, softfail, neutral

SPF DNS lookup limit and flattening

SPF alignment with DMARC enforcement

Shareable SPF validator result pages