checkrecipient.com - robtex.com

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checkrecipient.com

DNSSEC⚠️ Not signed
A84.18.207.73🇬🇧 CATALYST2-AS
PTRriberry.active-ns.com
NSinfoblox-sc4.ppops.net
A10.100.1.161
NSns1.proofpoint.com
A2620:100:9000:1::d0🇺🇸 Proofpoint
PTRns1.proofpoint.com
A208.84.67.208🇺🇸 Proofpoint
PTRns1-at1.proofpoint.com
PTRns1.proofpoint.com
PTRns5.proofpoint.com
NSns3.proofpoint.com
A2620:100:9004:1::d0🇺🇸 Proofpoint
PTRns3.proofpoint.com
A208.84.66.208🇺🇸 Proofpoint
PTRns1-sc4.proofpoint.com
PTRns2.proofpoint.com
PTRns3.proofpoint.com
PTRns4.proofpoint.com
NSpdns99.ultradns.biz
A2610:a1:1015::87🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.biz
A156.154.66.99🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.biz
NSpdns99.ultradns.com
A2001:502:f3ff::87🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.com
A156.154.64.99🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.com
NSpdns99.ultradns.net
A2610:a1:1014::87🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.net
A156.154.65.99🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.net
NSpdns99.ultradns.org
A2001:502:4612::87🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.org
A156.154.67.99🇺🇸 MAINT-ID-12008
PTRpdns99.ultradns.org
MXmxa-00148501.gslb.pphosted.com
A2620:100:9001:b9::1🇺🇸 Proofpoint
PTRmx0a-00148501.pphosted.com
A2620:100:9005:b9::1🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
A67.231.152.185🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
MXmxb-00148501.gslb.pphosted.com
A2620:100:9001:b9::1🇺🇸 Proofpoint
PTRmx0a-00148501.pphosted.com
A2620:100:9005:b9::1🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
A67.231.152.185🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
MXmx0a-00148501.pphosted.com(15) 🔒
A2620:100:9001:b9::1🇺🇸 Proofpoint
PTRmx0a-00148501.pphosted.com
A67.231.144.185🇺🇸 Proofpoint
PTRmx0a-00148501.pphosted.com
MXmx0b-00148501.pphosted.com(15) 🔒
A2620:100:9005:b9::1🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
A67.231.152.185🇺🇸 Proofpoint
PTRmx0b-00148501.pphosted.com
MXalt1.aspmx.l.google.com(100)
A2a00:1450:400b:c02::1a🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXalt2.aspmx.l.google.com(100)
A2a00:1450:4009:c0f::1b🇬🇧 Google
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google
PTRyulhrs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(100)
A2a00:1450:400c:c00::1a🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
MXalt4.aspmx.l.google.com(100)
A2a00:1450:4025:402::1b🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.27🇺🇸 Google
PTRrb-in-f27.1e100.net
MXaspmx.l.google.com(100)
A2607:f8b0:4004:c1b::1a🇺🇸 Google
PTRwv-in-f26.1e100.net
A172.253.63.26🇺🇸 Google
PTRbi-in-f26.1e100.net
TXTgoogle-site-verification=RCOWvsGjJQdpnZ_Is6OrUt3nntiev6RaAot7u4p_79k
TXTgoogle-site-verification=h3HUBtocmkDyc3acwFla_QLE2HDSi2P6X7ZEnP0RY80
TXTv=spf1 -all
TXTgoogle-site-verification=1C7BGu5mHFjY3v1zBDGjp4W_XYJJx8jMEgjnBN8fo_w
SOAinfoblox-sc4.ppops.netops@proofpoint.com 2025-05-30 #3

com

Same first word

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
checkrecipient.comns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com...6 records

✅ Authoritative Response

Server: 208.84.67.208

NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkrecipient.com (unsigned zone)

⏱️ Timing

Total: 1684ms | Queries: -

📄 Records

TypeCountSample Data
A184.18.207.73
NS6ns1.proofpoint.com, ns3.proofpoint.com...
MX9mxa-00148501.gslb.pphosted.com (pri: 10), mxb-00148501.gslb.pphosted.com (pri: 10)...
TXT4google-site-verification=RCOWvsGjJQdpnZ_, google-site-verification=h3HUBtocmkDyc3a...
SOA1ns1.proofpoint.com ops.proofpoint.com

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.proofpoint.com, ns1.proofpoint.com, ns3.proofpoint.com...)

AI analysis

checkrecipient.com points to a single IP address: 84.18.207.73.

Other host names such as uniheatoxford.co.uk, propertyclaimsni.com, waterbear.co.uk, mail.moneyto.co.uk and futuristmatt.com share IPs with checkrecipient.com.

checkrecipient.com's zone is delegated to seven name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, infoblox-sc4.ppops.net, pdns99.ultradns.net and pdns99.ultradns.org.

checkrecipient.com at least partially shares name servers with other domains, for example teflon.cr, tradestationpro.com, employri.net, easymarkets.com.cn and teflonbrand.net.

Host names with two IP numbers:

pdns99.ultradns.biz points to 2610:a1:1015::87 and 156.154.66.99; ns1.proofpoint.com points to 2620:100:9000:1::d0 and 208.84.67.208; ns3.proofpoint.com points to 2620:100:9004:1::d0 and 208.84.66.208; pdns99.ultradns.com points to 2001:502:f3ff::87 and 156.154.64.99; pdns99.ultradns.net points to 2610:a1:1014::87 and 156.154.65.99; pdns99.ultradns.org points to 2001:502:4612::87 and 156.154.67.99.

Host names with one IP number:

infoblox-sc4.ppops.net points to 10.100.1.161.

Nine mail servers handle checkrecipient.com: mx0a-00148501.pphosted.com, mx0b-00148501.pphosted.com, aspmx.l.google.com, mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

checkrecipient.com shares at least partially some mail servers with other domains, for instance architecturelive.co.uk, mark-emily.com, hoverinc.com, myofix.ca and ditogc.com.

These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with three IPs:

mxa-00148501.gslb.pphosted.com points to: 2620:100:9001:b9::1, 2620:100:9005:b9::1 and 67.231.152.185.

mxb-00148501.gslb.pphosted.com points to: 2620:100:9001:b9::1, 2620:100:9005:b9::1 and 67.231.152.185.

Host names with two IPs:

mx0a-00148501.pphosted.com points to: 2620:100:9001:b9::1 and 67.231.144.185.

mx0b-00148501.pphosted.com points to: 2620:100:9005:b9::1 and 67.231.152.185.

aspmx.l.google.com points to: 2607:f8b0:4004:c1b::1a and 172.253.63.26.

alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26.

alt2.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.27.

alt3.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26.

alt4.aspmx.l.google.com points to: 2a00:1450:4025:402::1b and 142.250.102.27.

Host names that point to 2620:100:9001:b9::1: mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com and mx0a-00148501.pphosted.com.

Host names that point to 2620:100:9005:b9::1: mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com and mx0b-00148501.pphosted.com.

Host names that point to 67.231.152.185: mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com and mx0b-00148501.pphosted.com.