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python.harborcom.com has one IP number , which also has a corresponding reverse pointer. bbitech.net, asaferide.org, mobileship.net, safetrider.org, absofmobile.com and at least eleven other hosts use this as a mailserver. harborcom.com is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at harborcom.com themselves. Two of them are on the same IP network. Incoming mail for harborcom.com is handled by two mailservers also at harborcom.com. They are on different IP networks. harborcom.com has one IP number. python.harborcom.com is hosted on a server in United States.

python.harborcom.com
a records
 
+ 69.57.57.4 69.57.48.0/20 AS26949 -
+ --- -

harborcom.com
a records
 
+ 68.216.189.61 68.216.176.0/20 AS23081  
+ ---  
ns-soa records
ns1.harborcom.com
+ 69.57.56.2 69.57.48.0/20 AS26949 -
+ --- -
ns records
ns1.harborcom.com
+ 69.57.56.2 69.57.48.0/20 AS26949 -
+ --- -
ns2.harborcom.com
+ 69.57.57.2 69.57.48.0/20 AS26949 -
viking.harborcom.com
+ 69.85.213.125 69.85.192.0/18 AS13760 corp-213-125.harborcom.com
+ --- corp-213-125.harborcom.com
mx records
spamgate.harborcom.com
+ 69.57.54.200 69.57.48.0/20 AS26949 spamgate.getcssi.net
+ --- spamgate.getcssi.net
smtp.harborcom.com
+ 69.85.213.10 69.85.192.0/18 AS13760 -
+ --- -
ip numbers of host
69.57.57.4
ptrs of ip numbers
python.harborcom.com
ip numbers using ptr to this host
69.57.57.4
69.85.213.24
domains using this as mailserver
absofmobile.com
asaferide.org
bbitech.net
elevator-world.com
elevator-worldindia.com
elevatorworldeurope.com
gulfcoasttherapy.com
harboraccess.com
harboraccess.net
loweralabama.net
mobileship.net
rvexcursions.com
safetrider.org
scottmartinonline.com
sharbroughlawfirm.com
theeurosource.com
nameservers missing in parent delegation
viking.harborcom.com