dns查询2：ResolveDns
16lz
2021-03-30
package dns;import org.xbill.DNS.MXRecord;import org.xbill.DNS.Record;public class ResolveDns { private String domain; public ResolveDns(String domain){ this.domain = domain; } // mx查询 void mxQuery(){ Record[] records; records = new DomainNameResolve().domainNameResolve(domain, 15); for (Record mx: records){ System.out.println(mx); aQuery(mx); // 查询A记录 } } // A记录查询 void aQuery(Record mx){ MXRecord mxRecord = (MXRecord)mx; Record[] aquery = new DomainNameResolve().domainNameResolve(mxRecord.getTarget().toString(), 1); for (Record ipaddress: aquery){ System.out.println(ipaddress); } } // txt查询 void txtQuery(){ Record[] records; records = new DomainNameResolve().domainNameResolve(domain, 16); for(Record spf: records){ System.out.println(spf); } }}更多相关文章
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