`mailserver.opstax.com`

	DNSSEC	⚠️ Not signed
	A	213.171.216.40^{🇬🇧 IONOS-AS213.171.192.0/19 Fasthosts Internet Ltd}

`opstax.com`

	DNSSEC	⚠️ Not signed
	A	3.166.152.34^{🇺🇸 Amazon3.166.152.0/23}
	A	3.166.152.39^{🇺🇸 Amazon3.166.152.0/23}
	A	3.166.152.41^{🇺🇸 Amazon3.166.152.0/23}
	A	3.166.152.114^{🇺🇸 Amazon3.166.152.0/23}
	NS	`ns-1035.awsdns-01.org` ⭐
	NS	`ns-1638.awsdns-12.co.uk`
	NS	`ns-414.awsdns-51.com`
	NS	`ns-744.awsdns-29.net`
	MX	`opstax-com.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns-1035.awsdns-01.org`awsdns-hostmaster@amazon.com serial=1

Same first word

mailserver.dk

mailserver.delivery

mailserver.co.in

mailserver.it

mailserver.at

mailserver.co.uk

mailserver.work

mailserver.gr

mailserver.se

mailserver.de

mailserver.eu.com

mailserver.sh

mailserver.jp

mailserver.fi

mailserver.co.nl

mailserver.su

mailserver.biz

mailserver.sk

mailserver.kz

mailserver.from-de.com

mailserver.ne.jp

mailserver.no

mailserver.com.my

mailserver.co

mailserver.my

mailserver.rocks

mailserver.nf

mailserver.vg

mailserver.bid

mailserver.systems

mailserver.tokyo

mailserver.lv

mailserver.dyndns.biz

mailserver.id

mailserver.cn

mailserver.net

mailserver.hk.com

mailserver.ovh

mailserver.ch

mailserver.men

mailserver.nl

mailserver.management

mailserver.com.es

mailserver.ag

mailserver.to

mailserver.top

mailserver.eu

mailserver.com.br

mailserver.io

mailserver.domains

mailserver.me

mailserver.center

mailserver.pt

mailserver.app

mailserver.dns-cloud.net

mailserver.webhop.org

mailserver.store

mailserver.contact

mailserver.co.kr

mailserver.dyndns.tv

mailserver.cologne

mailserver.name

mailserver.s3.nl-ams.scw.cloud

mailserver.vn

mailserver.pro

mailserver.ca

mailserver.ru

mailserver.world

mailserver.net.au

mailserver.ee

mailserver.kinghost.net

mailserver.ae

mailserver.link

mailserver.wtf

mailserver.nu

mailserver.uni5.net

mailserver.hu

mailserver.org

mailserver.com

mailserver.cz

mailserver.us

mailserver.lol

mailserver.net.in

mailserver.ec

mailserver.cat

mailserver.company

mailserver.li

mailserver.media

mailserver.info

Similar names

DNS History

1 record (1 active, 0 former)

●A213.171.216.402026-03-29 → 2026-04-14 · 2 obs

● 2026-03-29 03:32:44
● 2026-04-14 20:23:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
opstax.com	ns-744.awsdns-29.net, ns-414.awsdns-51.com, ns-1638.awsdns-12.co.uk, ns-1035.awsdns-01.org	1 record

✅ Authoritative Response

Server:205.251.194.232

NS records: ns-744.awsdns-29.net, ns-414.awsdns-51.com, ns-1638.awsdns-12.co.uk, ns-1035.awsdns-01.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opstax.com (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.171.216.40`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-414.awsdns-51.com)

Analysis

IP Addresses

mailserver.opstax.com resolves to one IP number: 213.171.216.40.

other host names including mailserver.stephencrosbie.com, mail.nationalplantsolutions.com, mail.dalewilson.co.uk, mailserver.slmslab.info and mailserver.basingstokemvc.org.uk share IP numbers with mailserver.opstax.com.

mailserver.opstax.com - robtex.com