go
mx5.biz.mail.yahoo.com has one IP number , but the reverse is mta1-f.biz.mail.vip.re3.yahoo.com. ext-mail5.dot.jo, mta1-f.biz.mail.vip.re3.yahoo.com and mx5.biz.mail.yahoo.com.1stchoicecondo.com point to the same IP. reaf.org, 1c4y.com, furl.net, 11aa.com, 2036.net and at least 100 other hosts use this as a mailserver. mx5.biz.mail.yahoo.com is hosted on a server in United States.

mx5.biz.mail.yahoo.com
a records
 
+ 66.196.126.37 66.196.112.0/20 AS14779 mta1-f.biz.mail.vip.re3.yahoo.com
+ --- mta1-f.biz.mail.vip.re3.yahoo.com
ip numbers of host
66.196.126.37
ptrs of ip numbers
mta1-f.biz.mail.vip.re3.yahoo.com
hostnames sharing ip with a-records
ext-mail5.dot.jo
mta1-f.biz.mail.vip.re3.yahoo.com
mx5.biz.mail.yahoo.com.1stchoicecondo.com
domains using this as mailserver
1-14th.com
1-800-caviar.com
1-800-porcelain.com
1-stop-guide.com
10-4warning.com
1000islandsfishing.net
100gogo.com
1051productions.com
10sen.com
1178designs.com
11aa.com
11bravo.us
11thengineervietnamvetsusmc.org
123frame.net
12galaxies.com
12horse.com
1776soft.com
17southband.com
1800bartend.info
180degreeministries.com
180music.com
1888befresh.com
1913massacre.com
19thindiana.com
19thindiana.us
1c4y.com
1choice4yourstore.com
1dayx.com
1month.com
1slimplantweightlossdiet.com
1st-quality-school-supplies.com
1st4signs.net
1stopkidscrafts.com
1stqualitypetsupplies.com
1ststepslinedance.com
1stumc.com
1troy.com
1worldwholesale.com
2036.net
20662md.com
20olions.com
21march.com
21stcenturycompany.com
21stcenturydetail.com
22sntumbling.com
247auctioneer.com
249cofc.org
24customer.com
24scale.com
24stores.com
29hdnetwork.com
29moons.com
accenttileinc.com
alkitab.com
amideal.com
arubaaloe.com
brandsplace.com
butterflykoi.com
buyelo.com
campbell-usa.com
cdlabel.com
cityqbarbeque.com
commercialtrade.com
countryovens.com
dirahost.com
eaglefield.net
empowher.net
familyofchristchurch.org
firstshare.com
flexibleductmachinery.com
furl.net
genewyant.com
greatlakesprint.com
hanmius.com
hawkmedia.com
ibm-pc.com
keskinen.org
keytomyhome.com
kidsneedtobekids.org
kriskar.com
littlefish.org
manning.com
maxent8.com
mihoa.org
millenniumcrystal.com
money4data.com
muskokamedia.com
myempire.biz
onnurisa.org
osmonics.biz
papasean.net
pasadenadentistry.com
perma-liner-orange-county.com
pipburbank.com
powerzapper.com
prideinpleasure.com
princessandtoadkissesboutique.com
producefastmoney.com
punctforte.com
qualifiedinteriors.com
quintessentialmarketing.com
reaf.org
rfideas.com
salakau.net
salttdevelopment.com
sinemobil.com
six28.com
somerslawfirm.org
srgsystems.com
swishwatch.com
taaccl.org
taku105.com
theintergroup.net
thirteengrandmas.com
tlcstudents.com
tpohara.com
warrantynet.com
widewidths.com
workforcescheduler.com
workforcescheduler.net
domains using this as mailserver under another name
1stchoicecondo.com
dot.jo
sorousharani.com
nameservers missing in parent delegation
ns6.yahoo.com
ns8.yahoo.com