go
nullmx.digitalmark.com has one IP number , but the reverse is nullmx.catholicfcu.com. x9.alq.com, x9.amb.net, x9.abn.net, x9.157.com, x9.bsq.com and at least 100 other hosts point to the same IP. digitalmark.com use this as a mailserver. digitalmark.com is a domain controlled by two nameservers at hitfarm.com. They are on different IP networks. Incoming mail for digitalmark.com is handled by one mailserver at digitalmark.com themselves. digitalmark.com has one IP number. nullmx.digitalmark.com is hosted on a server in United States.

nullmx.digitalmark.com
a records
 
+ 209.181.247.105 209.180.0.0/15 AS209 nullmx.catholicfcu.com
+ --- nullmx.catholicfcu.com

*.digitalmark.com
a records
 
+ 208.87.33.151 208.87.32.0/21 AS15146  
+ ---  

digitalmark.com
a records
 
+ 208.87.33.151 208.87.32.0/21 AS15146  
+ ---  
ns-soa records
ns1.hitfarm.com
+ 72.51.27.54 72.51.24.0/22 AS13768 -
+ --- -
ns records
ns1.hitfarm.com
+ 72.51.27.54 72.51.24.0/22 AS13768 -
+ --- -
ns2.hitfarm.com
+ 208.87.33.160 208.87.32.0/21 AS15146 -
mx records
nullmx.digitalmark.com
+ 209.181.247.105 209.180.0.0/15 AS209 nullmx.catholicfcu.com
+ --- nullmx.catholicfcu.com
ip numbers of host
209.181.247.105
ptrs of ip numbers
nullmx.catholicfcu.com
hostnames sharing ip with a-records
nullmx.firstarhomemortgage.com
nullmx.franchisemanager.com
nullmx.homelamp.com
nullmx.inkjetlabels.com
nullmx.laserlabel.com
nullmx.lumion.com
nullmx.pmtp.com
nullmx.randolphmedicalcenter.com
nullmx.rlgirls.com
nullmx.santaritaschools.com
nullmx.travelgreystone.com
x9.157.com
x9.38dd.com
x9.a-h.info
x9.aaf.net
x9.aaorg.com
x9.aaqt.com
x9.abic.org
x9.abn.net
x9.absoluteteenpussy.com
x9.acabrera.com
x9.aceofxxx.com
x9.ad-xchange.com
x9.adulinks.com
x9.adult-post.com
x9.adult-zone.com
x9.adultsurf.com
x9.aerogels.com
x9.agl.com
x9.allacess.com
x9.allpix.com
x9.allthatpussy.com
x9.aloha-cafe.com
x9.alq.com
x9.alscelebs.com
x9.altapedia.com
x9.amateurpixxx.com
x9.amateursfree4u.com
x9.amb.net
x9.ambassadorneworleanshotel.com
x9.ambertides.com
x9.americacorp.com
x9.americansk8world.com
x9.amerisuitesbostonhotel.com
x9.amerisuitesmiamihotel.com
x9.andatech.com
x9.aor.net
x9.aquafern.com
x9.artdark.com
x9.asexynet.com
x9.asia-erotism.com
x9.asian-s.com
x9.asianlady.com
x9.asianlinks.com
x9.asianpussycats.com
x9.aswp.com
x9.atlantean.com
x9.auldbooks.com
x9.autosex.com
x9.aviationweekly.com
x9.avr.com
x9.axene.com
x9.axy.com
x9.aym.net
x9.babehut.com
x9.bads.com
x9.baggie.com
x9.bajaglobal.com
x9.bamsystems.com
x9.bannerlove.com
x9.bannermoney.com
x9.barkingcard.com
x9.baronet.com
x9.barrens.com
x9.bcn-seat-godo.com
x9.bdsmsex.com
x9.bdsmsource.com
x9.beautybowl.com
x9.beesting.com
x9.berniec.com
x9.besource.com
x9.bestwesternamericaniahotel.com
x9.bestwesternhollywood.com
x9.bestwesternplazahotel.com
x9.betweenthieves.com
x9.bey.net
x9.bigbookdirect.com
x9.bigly.com
x9.bihpress.com
x9.binoche.com
x9.black-tabu.com
x9.blindfrog.com
x9.bluffrun.com
x9.bmginteractive.com
x9.bng.org
x9.bogle.com
x9.bondagefurniture.biz
x9.boogie-nights.com
x9.bozoland.com
x9.bradentonbeachhotel.com
x9.brandy-fan.com
x9.brianmcknight.com
x9.brownbabes.com
x9.brry.com
x9.bsq.com
x9.bsq.org
x9.bte.net
x9.bucko.com
x9.cpn.net
x9.crl.net
x9.flixxx.com
x9.heartcorerecords.com
x9.jws.net
x9.mml.com
x9.oh-la-la.com
x9.pleyboy.com
x9.ppd.com
x9.pussyinbed.com
x9.versanet.com
domains using this as mailserver
digitalmark.com
domains using this as mailserver under another name
pmtp.com