`mx1.houstondoctor.com`

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

`houstondoctor.com`

	DNSSEC	⚠️ Not signed
	A	54.237.57.21^{🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix}
	NS	`ns1.namepros-dns.com` ⭐
	NS	`ns2.urls.ns.namepros-dns.is`
	TXT	`v=spf1 -all`
	SOA	`ns1.namepros-dns.com`dns@namepros.com serial=13155390

Previously MX for

houstondoctor.com

Same first word

mx1.blogspot.com

mx1.net

mx1.me

mx1.mx

mx1.info

mx1.cn

mx1.uni5.net

mx1.com.au

mx1.net.au

mx1.at

mx1.sp.gov.br

mx1.email

mx1.co.za

mx1.jp

mx1.cci.fr

mx1.kapsi.fi

mx1.net.br

mx1.cloudaccess.net

mx1.pb.gov.br

mx1.sa.com

mx1.na4u.ru

mx1.biz

mx1.tv

mx1.pl

mx1.gouv.km

mx1.us

mx1.in

mx1.gouv.ci

mx1.lt

mx1.gov.lk

mx1.vg

mx1.com.br

mx1.com

mx1.uk

mx1.gov.sc

mx1.io

mx1.gov.ls

mx1.goip.de

mx1.hu

mx1.cz

mx1.xyz

mx1.eu

mx1.de

mx1.com.mx

mx1.ws

mx1.cc

mx1.in-berlin.de

mx1.kinghost.net

mx1.fr

mx1.it

mx1.ch

mx1.tuxfamily.org

mx1.org

mx1.nl

mx1.ca

Similar names

xm1.mobi

m1x.de

m1x.mobi

1mx.cn

xm1.club

1mx.eu

xm1.me

m1x.com

xm1.net

xm1.com

m1x.co.in

m1x.it

1mx.ru

xm1.cc

m1x.ch

1xm.ai

1mx.net

1mx.me

x1m.nl

x1m.net

m1x.dk

m1x.ru

x1m.com

xm1.org

1mx.com.br

m1x.eu

1xm.de

1xm.ph

x1m.info

m1x.net

1mx.de

x1m.de

1xm.ru

xm1.site

1xm.com

m1x.com.br

1mx.at

xm1.dnsalias.com

m1x.in

1mx.com

m1x.ca

1xm.org

xm1.de

m1x.app

1xm.net

1xm.co

xm1.ru

DNS History

8 records (1 active, 7 former)

○NSbuy.internettraffic.com2016-01-25 → 2016-03-13 · 5 obs

○ 2015-11-18 03:53:08
● 2016-01-25 12:23:22
● 2016-03-13 03:41:42
○ 2026-05-14 18:13:14
○ 2026-05-14 18:13:16

○NSns1.above.com2015-07-19 → 2016-03-13 · 6 obs

● 2015-07-19 01:00:08
● 2015-11-18 03:53:08
○ 2016-01-25 12:23:22
● 2016-03-13 03:41:42
○ 2026-05-14 18:13:14
○ 2026-05-14 18:13:16

○NSns2.above.com2015-07-19 → 2016-03-13 · 4 obs

● 2015-07-19 01:00:08
● 2016-03-13 03:41:42
○ 2026-05-14 18:13:14
○ 2026-05-14 18:13:16

○NSsell.internettraffic.com2016-01-25 → 2016-03-13 · 5 obs

○ 2015-11-18 03:53:08
● 2016-01-25 12:23:22
● 2016-03-13 03:41:42
○ 2026-05-14 18:13:14
○ 2026-05-14 18:13:16

○MXmail.post-host.net2015-07-19 → 2015-11-18 · 4 obs

● 2015-07-19 01:00:08
● 2015-11-18 03:53:08
○ 2016-01-25 12:23:22
○ 2026-05-14 18:13:16

○A103.224.182.2462015-07-19 → 2015-11-18 · 4 obs

● 2015-07-19 01:00:08
● 2015-11-18 03:53:08
○ 2016-01-25 12:23:22
○ 2026-05-14 18:13:16

●A54.237.57.212026-05-14 → 2026-05-14 · 3 obs

○ 2016-03-13 03:41:42
● 2026-05-14 18:13:14
● 2026-05-14 18:13:16

○A69.172.201.2082016-01-25 → 2016-03-13 · 5 obs

○ 2015-11-18 03:53:08
● 2016-01-25 12:23:22
● 2016-03-13 03:41:42
○ 2026-05-14 18:13:14
○ 2026-05-14 18:13:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
houstondoctor.com	ns1.namepros-dns.com, ns2.urls.ns.namepros-dns.is	1 record

✅ Authoritative Response

Server:54.237.57.21

NS records: ns1.namepros-dns.com, ns2.urls.ns.namepros-dns.is

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for houstondoctor.com (unsigned zone)

⏱️ Timing

Total: 402ms | 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

mx1.houstondoctor.com points to IP number 54.237.57.21.

For instance, other host names baroot.com, netstickers.com, capitalkey.com, xrium.com and ns3.satama.com share IP numbers with mx1.houstondoctor.com.

mx1.houstondoctor.com - robtex.com