`smtp.xauthorize.com`

DNSSEC	⚠️ Not signed
A	54.237.57.21^{🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix}
		PTR	`ns1.namepros-dns.com`

`xauthorize.com`

	DNSSEC	⚠️ Not signed
	A	54.237.57.21^{🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix}
	NS	`ns1.namepros-dns.com` ⭐
	NS	`2sb852b9bjp5pjhj3p5f23h3jhp9b59b.ns.namepros-dns.is` ⚠️ Not in zone NS records
	NS	`ns2.2sb852b9bjp5pjhj3p5f23h3.ns.namepros-dns.is` ⚠️ Not in parent delegation
	TXT	`v=spf1 -all`
	SOA	`ns1.namepros-dns.com`dns@namepros.com serial=12497812

Previously MX for

xauthorize.com

Same first word

smtp.tj

smtp.tools

smtp.com

smtp.com.mx

smtp.sk

smtp.co.hu

smtp.ws

smtp.uni5.net

smtp.jc.neen.it

smtp.vn

smtp.to

smtp.mircloud.host

smtp.demo.jelastic.com

smtp.gouv.km

smtp.hotmail

smtp.com.ph

smtp.be

smtp.nz

smtp.moe

smtp.re

smtp.ms

smtp.ca

smtp.paas.datacenter.fi

smtp.fm

smtp.co.ke

smtp.lt

smtp.fi.cloudplatform.fi

smtp.de

smtp.services

smtp.live

smtp.fi

smtp.uk

smtp.or.tz

smtp.cloudaccess.net

smtp.cat

smtp.az

smtp.dev

smtp.unicloud.pl

smtp.paas.massivegrid.com

smtp.mil.tw

smtp.it

smtp.solutions

smtp.gouv.ml

smtp.pythonanywhere.com

smtp.li

smtp.ru

smtp.se

smtp.co.za

smtp.mydns.jp

smtp.gc.ca

smtp.me

smtp.fi.it

smtp.rs.gov.br

smtp.gov.ru

smtp.business

smtp.ooo

smtp.jelastic.saveincloud.net

smtp.in

smtp.net.au

smtp.to.gov.br

smtp.com.br

smtp.fun

smtp.agency

smtp.pt

smtp.myshopify.com

smtp.ee

smtp.im

smtp.jelastic.dogado.eu

smtp.lat

smtp.cl

smtp.mk

smtp.lu

smtp.id

smtp.eu

smtp.fail

smtp.bz

smtp.ro

smtp.pl

smtp.goog

smtp.news

smtp.j.scaleforce.net

smtp.lv

smtp.fr

smtp.store

smtp.gratis

smtp.co.at

smtp.gov.ps

smtp.gov.rs

smtp.eu.org

smtp.sc.gov.br

smtp.in-berlin.de

smtp.appengine.flow.ch

smtp.kinghost.net

smtp.org

smtp.es-1.axarnet.cloud

smtp.co.kr

smtp.(0x787878)

smtp.co.nz

smtp.kz

smtp.com.tr

smtp.jcloud.kz

smtp.sp.gov.br

smtp.net.ru

smtp.edu.ee

smtp.directory

smtp.j.layershift.co.uk

smtp.net.ua

smtp.hu

smtp.mail.pl

smtp.iki.fi

smtp.org.uk

smtp.at

smtp.com.au

smtp.tv

smtp.vg

smtp.ox.rs

smtp.co

smtp.su

smtp.net

smtp.dk

Similar names

mtps.org

ptsm.org

tpms.ca

stmp.it

mpts.net

pmts.de

sptm.com.cn

tmsp.net

stmp.de

mstp.ir

tpms.nu

tsmp.ru

sptm.jp

sptm.com

mtps.eu

mstp.de

stmp.fi

mpts.pl

psmt.com.ph

mpts.info

pstm.eu

tpms.pro

tmps.us

ptms.de

psmt.org

tpms.de

mtsp.com.mx

psmt.ru

smtp.guru

mstp.cz

smtp.io

smtp.cz

smtp.dedibox.fr

mpst.info

smtp.net.in

mtps.ca

smtp.network

smtp.co.il

tpms.fr

smtp.si

smtp.software

tmps.guru

smtp.com.es

smtp.nhs.uk

tmsp.com

mtps.co.za

tpms.be

smtp.ch

mtps.net

smtp.zone

smtp.pub

tmps.fr

mtps.it

mtsp.jp

pmst.de

smtp.hosting

tpsm.com

smtp.nu

stmp.no

spmt.net

pmst.ru

stmp.ru

mpst.co

mspt.de

mpts.eu

tpms.info

mtsp.net

spmt.ca

pmst.lt

tpsm.de

spmt.my

stpm.cz

psmt.de

tspm.org

pmts.org

mstp.us

spmt.pl

ptms.biz

smpt.ru

stmp.org

mpst.sp.gov.br

mtsp.com

psmt.com

DNS History

9 records (1 active, 8 former)

○NScns1.secureserver.net2015-11-08 → 2017-01-03 · 3 obs

● 2015-11-08 13:39:00
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

○NSgns1.secureserver.net2015-11-08 → 2017-01-03 · 3 obs

● 2015-11-08 13:39:00
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

○NSgns2.secureserver.net2015-11-08 → 2017-01-03 · 3 obs

● 2015-11-08 13:39:00
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

○NSgns3.secureserver.net2015-11-08 → 2017-01-03 · 3 obs

● 2015-11-08 13:39:00
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

●A54.237.57.212026-04-14 → 2026-04-14 · 2 obs

○ 2017-01-03 13:02:50
● 2026-04-14 07:34:44

○A68.178.213.2032015-07-16 → 2016-10-02 · 7 obs

● 2015-07-16 13:10:20
● 2015-12-30 03:05:30
○ 2016-01-03 00:35:24
○ 2016-07-23 01:04:48
● 2016-10-02 21:12:16
○ 2016-12-01 10:53:50
○ 2026-04-14 07:34:44

○A68.178.213.372015-07-16 → 2016-12-01 · 9 obs

● 2015-07-16 13:10:20
● 2016-01-03 00:35:24
○ 2016-01-05 00:49:20
● 2016-01-18 09:22:20
● 2016-07-23 01:04:48
○ 2016-10-02 21:12:16
● 2016-12-01 10:53:50
○ 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

○A72.167.238.292015-07-16 → 2017-01-03 · 9 obs

● 2015-07-16 13:10:20
● 2015-12-23 17:22:24
○ 2015-12-30 03:05:30
○ 2016-01-03 00:35:24
● 2016-01-05 00:49:20
○ 2016-01-18 09:22:20
○ 2016-12-01 10:53:50
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

○CNAMEsmtp.secureserver.net2015-07-16 → 2017-01-03 · 3 obs

● 2015-07-16 13:10:20
● 2017-01-03 13:02:50
○ 2026-04-14 07:34:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
xauthorize.com	ns1.namepros-dns.com, 2sb852b9bjp5pjhj3p5f23h3jhp9b59b.ns.namepros-dns.is	1 record

✅ Authoritative Response

Server:3.233.30.191

NS records: ns1.namepros-dns.com, 2sb852b9bjp5pjhj3p5f23h3jhp9b59b.ns.namepros-dns.is

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xauthorize.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.237.57.21`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1.namepros-dns.com)

Analysis

IP Addresses

smtp.xauthorize.com points to IP number: 54.237.57.21.

Other host names such as unimeet.com, 776687.com, clients1.www.natclub.com, mail.greggconstruction.com and com6s26hbs8brshmr36rm9sbrdd3fpf2ms6.cname.namepros-dns.com share IPs with smtp.xauthorize.com.

smtp.xauthorize.com - robtex.com