`x4.learnshare.com`

DNSSEC	⚠️ Not signed
A	66.18.116.249^{🇺🇸 Flexential66.18.116.0/24}
		PTR	`x4.eduneering.com`

`learnshare.com`

	DNSSEC	⚠️ Not signed
	A	66.18.116.222^{🇺🇸 Flexential66.18.116.0/24}
	NS	`ns-1576.awsdns-05.co.uk` ⭐
	NS	`ns-1346.awsdns-40.org`
	NS	`ns-154.awsdns-19.com`
	NS	`ns-663.awsdns-18.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽¹⁰⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽¹⁰⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹¹⁰⁾
	MX	`x2.eduneering.com`⁽¹⁵⁰⁾
	MX	`x4.eduneering.com`⁽¹⁶⁰⁾
	MX	`x2.learnshare.com`⁽¹⁷⁰⁾
	MX	`x4.learnshare.com`⁽¹⁸⁰⁾
	TXT	`google-site-verification=CmzoBHsYxNaT5u4LowLYhxpLWs_JSBvPuwdM0zCrt9o`
	TXT	`v=spf1 ip4:12.19.100.11 ip4:66.18.116.249 include:_spf.google.com -all`
	SOA	`ns-1576.awsdns-05.co.uk`awsdns-hostmaster@amazon.com serial=2

📈 Tranco rank: #224,902

MX for

learnshare.com

Same first word

x4.trading

x4.hu

x4.ca

x4.no

x4.ru

x4.eu

x4.be

x4.dk

x4.io

x4.cn

x4.net.nz

x4.nl

x4.fr

x4.la

x4.nu

x4.pl

x4.biz

x4.org

x4.co.kr

x4.fi

x4.world

x4.net

x4.lv

x4.com

x4.tel

x4.su

x4.se

x4.de

x4.co.nz

x4.cl

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4x.ie

4x.lv

4x.hu

4x.vc

4x.country

4x.si

4x.cz

4x.ru

4x.nl

4x.biz

4x.tel

4x.net

4x.ca

4x.org.cn

4x.de

4x.ai

4x.com.pl

4x.tv

4x.dk

4x.world

4x.my

4x.cn

4x.cx

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4x.pl

4x.re

4x.cl

4x.fr

4x.ph

4x.fi

4x.no

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4x.eu

DNS History

1 record (1 active, 0 former)

●A66.18.116.2492026-02-16 → 2026-03-31 · 2 obs

● 2026-02-16 01:47:00
● 2026-03-31 16:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learnshare.com	ns-154.awsdns-19.com, ns-663.awsdns-18.net, ns-1576.awsdns-05.co.uk, ns-1346.awsdns-40.org	1 record

✅ Authoritative Response

Server:205.251.192.154

NS records: ns-154.awsdns-19.com, ns-663.awsdns-18.net, ns-1576.awsdns-05.co.uk, ns-1346.awsdns-40.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learnshare.com (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.18.116.249`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-154.awsdns-19.com)

Analysis

Mail Server Role

x4.learnshare.com acts as a mail server for learnshare.com.

x2.eduneering.com, x4.eduneering.com and aspmx2.googlemail.com are commonly used as mail servers together with x4.learnshare.com.

IP Addresses

x4.learnshare.com points to a single IP number: 66.18.116.249.

Other host names, for instance x4.eduneering.com, share IP numbers with x4.learnshare.com.

x4.learnshare.com - robtex.com