go
mcn.org.gslb.pphosted.com, muni.org.gslb.pphosted.com, elca.org.gslb.pphosted.com, effcu.org.gslb.pphosted.com and coletta.org.gslb.pphosted.com are subdomains to this hostname. gslb.pphosted.com is a domain controlled by four nameservers at proofpoint.com. All of them are on different IP networks.

gslb.pphosted.com
ns-soa records
ns-sc4.proofpoint.com
+ 208.84.66.50 208.84.66.0/24 AS26211 -
+ --- -
ns records
ns-ams.proofpoint.com
+ 91.209.104.39 91.209.104.0/24 AS15830 -
+ --- -
ns-sc4.proofpoint.com
+ 208.84.66.50 208.84.66.0/24 AS26211 -
ns-sfo.proofpoint.com
+ 208.84.64.139 208.84.64.0/23 AS26211 -
ns-at1.proofpoint.com
+ 208.84.67.50 208.84.67.0/24 AS22843  
+ ---  
subdomains
coletta.org.gslb.pphosted.com
effcu.org.gslb.pphosted.com
elca.org.gslb.pphosted.com
mcn.org.gslb.pphosted.com
muni.org.gslb.pphosted.com