About these results
This page shows the OPT records for smtpfree01.aruba.it. OPT records are EDNS pseudo-records that carry protocol options inside a DNS message. They are not normal zone data and are used only to signal capabilities or settings for a specific query.
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The results on this page are freshly fetched just for you when you loaded this page. Wirewiki queried the authoritative DNS servers for smtpfree01.aruba.it. That means that these results are guaranteed to be accurate, because there are no caches in between that could potentially cause staleness.
To look up OPT records for another hostname or domain name, go back to OPT lookup, or use DNS lookup to find all DNS records.