Rackspace SecureCloud (sender)

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mailbox 🇺🇸 US

Rackspace SecureCloud mail outbound.

rackspace.com ↗

1,339SPF-authorising domains
0.215%of all SPF domains in Tranco top-1M
135distinct TLDs
2026-04-28snapshot date

TLD Distribution (top 30 of 135)

com — 777 (58.0%)
net — 80 (6.0%)
org — 49 (3.7%)
co.uk — 45 (3.4%)
in — 40 (3.0%)
com.au — 21 (1.6%)
ae — 15 (1.1%)
co — 8 (0.6%)
io — 8 (0.6%)
pk — 8 (0.6%)
com.ph — 7 (0.5%)
gr — 7 (0.5%)
com.mx — 7 (0.5%)
id — 7 (0.5%)
online — 6 (0.4%)
live — 6 (0.4%)
edu.ng — 6 (0.4%)
ph — 6 (0.4%)
com.pk — 6 (0.4%)
com.br — 6 (0.4%)
ca — 5 (0.4%)
co.ke — 5 (0.4%)
ro — 5 (0.4%)
host — 5 (0.4%)
xyz — 5 (0.4%)
com.ar — 5 (0.4%)
space — 4 (0.3%)
bg — 4 (0.3%)
org.ng — 4 (0.3%)
mk — 4 (0.3%)

Domain Sample (top 100 by length)

7md.aeaip.ciajo.geels.idotr.tgzec.mkanta.phcyme.ioeden.wselxr.aeenic.pkhook.mxitzy.ioopen.bjotdc.phrios.pktell.ngzemi.mkziny.io3rm.info3uno.com4gid.comakias.gramore.isanatt.bjchati.geciela.bgegpo.netfdisk.eshiper.aoilang.inlidik.idonet.netqquxx.merecas.rutgci.comtimes.mwtizza.peuiil.inkup.co.ilykfi.comapkt2.comapkzs.comawene.combeymen.egbubbas.indevgan.indigify.iedurraq.aeegpet.netegyls.comentri.xyzfdrx7.comfmsmu.comgeekin.aegifted.phhemnet.usijstr.orgindo21.deiolbd.netiraph.netjob6k.comjob8r.comjobv3.comkitsw.orglbp.worldmachay.esmp3.questmukdi.netmumken.aenafex.netnanfa.orgnetone.innews34.innoyam.orgof2on.comolico.orgonplan.aequaxi.xyzquixy.comremlr.comsf-eg.orgtcm15.comunison.ieupdum.comvdisp.comveddey.mevideiy.ccvideiy.covisis.netyaseen.tvziuma.com28jaya.com3600.cloud4xhost.comabsegy.comacadpro.inadguru.netalezori.euama.net.id

Showing 100 of 1,339 domains. Sample sorted by length (shortest first).