5
records
IPv4 Addresses
TTL
library.wustl.edu. 60 IN A 128.252.160.64
Mail Servers
TTL
MX
—
10
20m
MX
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10
20m
MX
—
10
20m
MX
—
10
20m
library.wustl.edu. 1200 IN MX 10 smtp3.mx.wustl.edu. library.wustl.edu. 1200 IN MX 10 smtp2.mx.wustl.edu. library.wustl.edu. 1200 IN MX 10 smtp1.mx.wustl.edu. library.wustl.edu. 1200 IN MX 10 smtp4.mx.wustl.edu.