`mailserver.s4a.org`

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

`s4a.org`

	DNSSEC	⚠️ Not signed
	A	88.208.252.213^{🇬🇧 IONOS-AS88.208.192.0/18 Fasthosts Internet Ltd}
	NS	`ns1.livedns.co.uk` ⭐
	NS	`ns2.livedns.co.uk`
	NS	`ns3.livedns.co.uk` ⚠️ Not in parent delegation
	MX	`s4a-org.mail.protection.outlook.com` ⭐
	TXT	`MS=ms45123225`
	TXT	`v=spf1 a ip4:213.171.216.0/24 ip4:77.68.64.0/27 mx include:spf.protection.out...`
	SOA	`ns1.livedns.co.uk`administrator@s4a.org serial=1524663977

Previously MX for

s4a.org

Same first word

mailserver.dyndns.biz

mailserver.id

mailserver.cn

mailserver.net

mailserver.hk.com

mailserver.ovh

mailserver.ch

mailserver.men

mailserver.nl

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mailserver.center

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mailserver.app

mailserver.dns-cloud.net

mailserver.webhop.org

mailserver.store

mailserver.contact

mailserver.co.kr

mailserver.dyndns.tv

mailserver.cologne

mailserver.name

mailserver.vn

mailserver.pro

mailserver.ca

mailserver.ru

mailserver.world

mailserver.net.au

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mailserver.kinghost.net

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mailserver.work

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mailserver.se

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mailserver.sh

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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

Similar names

DNS History

2 records (1 active, 1 former)

○A213.171.216.1142015-06-17 → 2016-01-09 · 3 obs

● 2015-06-17 10:54:30
● 2016-01-09 15:42:52
○ 2026-03-26 12:02:22

●A213.171.216.402026-03-26 → 2026-03-26 · 2 obs

○ 2016-01-09 15:42:52
● 2026-03-26 12:02:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
s4a.org	ns2.livedns.co.uk, ns1.livedns.co.uk	-

✅ Authoritative Response

Server:217.160.81.244

NS records: ns2.livedns.co.uk, ns1.livedns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for s4a.org (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.171.216.40`

Analysis

IP Addresses

mailserver.s4a.org points to an IP address: 213.171.216.40.

other host names include mailserver.bluesteel.co.uk, mailserver.mih-jeans.com, mx.rustean.net, mailserver.ezpayments.co.uk and mailserver.displayteamretail.com; they share IP numbers with mailserver.s4a.org.

mailserver.s4a.org - robtex.com