Whois and reverse dns lookup provided by robtex


DNS delegation of webmail.shaw.ca updated:


7webmail-login.glb.shawcable.net.glb.shawcable.net.glb01.no.cg.shawcable.net. glb01.so.cg.shawcable.net.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about webmail.shaw.ca and learn that ca is delegated to four name servers (2), so we ask d.ca-servers.ca where we learn that shaw.ca is delegated to three name servers, including ns7nocg.shawcable.net (3), so we ask that one where we see a CNAME from webmail.shaw.ca to webmail-login.glb.shawcable.net, so we have to start all over again. We pick a.root-servers.net, one of the 13 root servers (4), and ask it about webmail-login.glb.shawcable.net and learn that net is delegated to 13 name servers (5), so we ask b.gtld-servers.net where we learn that shawcable.net is delegated to three name servers, including ns9htok.shawcable.net (6), so we ask that one and learn that glb.shawcable.net is delegated to two name servers (7), so we ask glb01.no.cg.shawcable.net and get the following answer:

Authoritative answer

ANSWER for webmail.shaw.ca.
webmail.shaw.ca.3600 CNAME webmail-login.glb.shawcable.net.
ANSWER for webmail-login.glb.shawcable.net.
webmail-login.glb.shawcable.net.30 A64.59.136.148 webmail-login.glb.shawcable.net points to
30 A64.59.134.25 webmail-login.glb.shawcable.net points to
AUTHORITATIVE for webmail-login.glb.shawcable.net.
glb.shawcable.net.500 NS glb01.so.cg.shawcable.net. glb.shawcable.net use glb01.so.cg.shawcable.net as name server.
500 NS glb01.no.cg.shawcable.net. glb.shawcable.net use glb01.no.cg.shawcable.net as name server.

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