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216.73.216.182
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smtp2.mail.rice.edu
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216.73.216.182
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smtp2.mail.rice.edu
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128.42.201.100
Rice University
AS8
United States of America
Houston, Texas
128.42.201.101
Rice University
AS8
United States of America
Houston, Texas
128.42.201.21
Rice University
AS8
United States of America
Houston, Texas
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smtp2.mail.rice.edu has no AAAA records.