remoting/src/main/java/org/springframework/security/remoting/dns/JndiDnsResolver.java
public String resolveServiceIpAddress(String serviceType, String domain) {
		DirContext ctx = this.ctxFactory.getCtx();
		String hostname = resolveServiceEntry(serviceType, domain, ctx);
		return resolveIpAddress(hostname, ctx);
	}
public String resolveServiceIpAddress(String serviceType, String domain) {
		DirContext ctx = this.ctxFactory.getCtx();
		String hostname = resolveServiceEntry(serviceType, domain, ctx);
		return resolveIpAddress(hostname, ctx);
	}
/*
(non-Javadoc)

@see
org.springframework.security.remoting.dns.DnsResolver#resolveServiceIpAddress(java
.lang.String, java.lang.String)