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  1. #!/bin/bash
  2. echo 'zzzzzz.org.uk mail is handled by 10 d208222.a.ess.uk.barracudanetworks.com. eothenhomes.org.uk mail is handled by 20 d208222.b.ess.uk.barracudanetworks.com.' | \
  3.  grep -o '10 [^ .]*\(\.[^ .][^ .]*\)*' | head -1 | sed 's/^10 //'
Success #stdin #stdout 0s 19632KB
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d208222.a.ess.uk.barracudanetworks.com
https://ideone.com/Gpgj4O
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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