~ $ host assessor.lacounty.gov
assessor.lacounty.gov has address 45.60.171.78
assessor.lacounty.gov has address 45.60.151.78
assessor.lacounty.gov mail is handled by 10 mxb-002da105.gslb.pphosted.com.
assessor.lacounty.gov mail is handled by 10 mxa-002da105.gslb.pphosted.com.
~ $ nslookup mxa-002da105.gslb.pphosted.com
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
Name: mxa-002da105.gslb.pphosted.com
Address: 208.86.201.9
~ $ nslookup -q=mx mxa-002da105.gslb.pphosted.com
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
*** Can't find mxa-002da105.gslb.pphosted.com: No answer
Authoritative answers can be found from:
gslb.pphosted.com
origin = ns-sc4.proofpoint.com
mail addr = ops.proofpoint.com
serial = 2026070306
refresh = 10800
retry = 3600
expire = 604800
minimum = 60
~ $ nslookup -q=mx assessor.lacounty.gov Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
assessor.lacounty.gov mail exchanger = 10 mxa-002da105.gslb.pphosted.com.
assessor.lacounty.gov mail exchanger = 10 mxb-002da105.gslb.pphosted.com.
Authoritative answers can be found from:
~ $ date
Fri Jul 3 08:10:29 PDT 2026
~ $ uptime
08:10:33 up 2 days, 23 min, load average: 14.40, 15.82, 15.98
~ $ host -a mxa-002da105.gslb.pphosted.com
Trying "mxa-002da105.gslb.pphosted.com"
;; communications error to 8.8.8.8#53: timed out
Trying "mxa-002da105.gslb.pphosted.com"
;; communications error to 8.8.8.8#53: end of file
Host mxa-002da105.gslb.pphosted.com not found: 5(REFUSED)
Received 48 bytes from 8.8.4.4#53 in 52 ms
~ $ ^C
~ $ host assessor.lacounty.gov |grep pp assessor.lacounty.gov mail is handled by 10 mxb-002da105.gslb.pphosted.com.
assessor.lacounty.gov mail is handled by 10 mxa-002da105.gslb.pphosted.com.
~ $ host jpl.nasa.gov |grep pp
jpl.nasa.gov mail is handled by 20 mxa-0020b901.gslb.pphosted.com.
jpl.nasa.gov mail is handled by 20 mxb-0020b901.gslb.pphosted.com.
~ $ host mtv.co. |grep pp
~ $ host mtv.com |grep pp
mtv.com mail is handled by 10 mxb-00262c01.gslb.pphosted.com.
mtv.com mail is handled by 10 mxa-00262c01.gslb.pphosted.com.
~ $ host bet.com |grep pp
bet.com mail is handled by 10 mxb-00262c01.gslb.pphosted.com.
bet.com mail is handled by 10 mxa-00262c01.gslb.pphosted.com.
~ $ host fultoncountyga.gov |grep pp
fultoncountyga.gov mail is handled by 10 mxb-0032a901.gslb.pphosted.com.
fultoncountyga.gov mail is handled by 10 mxa-0032a901.gslb.pphosted.com.
~ $