FYI - looks like there is an issue with telecom authoritative DNS.
Short version: it's currently broken.
Long version: there is a whois/NS loop
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domain_datelastmodified: 2014-07-28T13:54:33+12:00
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domain_datelastmodified: 2014-06-10T10:08:28+12:00
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No glue records, so no way to resolve the NS IP's
FYI:
-- Daniel