`mx.openedcourse.net`

DNSSEC	⚠️ Not signed
A	66.96.140.102^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
		PTR	`102.140.96.66.static.eigbox.net`
A	66.96.140.103^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}

`openedcourse.net`

	DNSSEC	⚠️ Not signed
	A	66.96.149.1^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
	NS	`ns1.dotster.com` ⭐
	NS	`ns2.dotster.com`
	MX	`mx.openedcourse.net` ⭐
	TXT	`v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all`
	SOA	`ns1.dotster.com`dnsadmin@dotster.com 2012-08-30 #49

MX for

openedcourse.net

Same first word

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mx.agency

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mx.ws

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mx.tours

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Similar names

xm.biz

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xm.pe

xm.wtf

xm.nl

xm.app

xm.cn

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xm.city

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xm.js.cn

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xm.lt

xm.com.ua

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xm.africa

xm.fi

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xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.la

xm.com

DNS History

2 records (2 active, 0 former)

●A66.96.140.1022015-05-13 → 2026-07-10 · 5 obs

● 2015-05-13 05:00:46
● 2026-04-02 22:30:28
○ 2026-07-08 02:04:36
● 2026-07-10 07:54:16
● 2026-07-10 07:54:18

●A66.96.140.1032015-05-13 → 2026-07-10 · 5 obs

● 2015-05-13 05:00:46
● 2026-04-02 22:30:28
○ 2026-07-08 02:04:36
● 2026-07-10 07:54:16
● 2026-07-10 07:54:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
openedcourse.net	ns1.dotster.com, ns2.dotster.com	-

✅ Authoritative Response

Server:172.64.52.250

NS records: ns1.dotster.com, ns2.dotster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openedcourse.net (unsigned zone)

⏱️ Timing

Total: 867ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.96.140.102, 66.96.140.103`

Analysis

Mail Server Role

mx.openedcourse.net serves as a mail server for openedcourse.net.

IP Addresses

mx.openedcourse.net has two IP addresses: 66.96.140.102 and 66.96.140.103

Additional host names — mx.karenmeenaghan.me, mx.walkinshawbc.com, mx.aesthetico.ca and two others — share IP numbers with mx.openedcourse.net.

mx.openedcourse.net - dns.ninja