`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

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mx.com.pt

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mx.agency

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Similar names

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xm.media

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xm.wtf

xm.nl

xm.cn

xm.gov.cn

xm.city

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xm.kiev.ua

xm.js.cn

xm.cc

xm.by

xm.world

xm.lt

xm.com.ua

xm.ru

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xm.cl

xm.sk

xm.se

xm.hu

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xm.africa

xm.fi

xm.is

xm.am

xm.money

xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.com

DNS History

2 records (2 active, 0 former)

●A66.96.140.1022015-05-13 → 2026-03-29 · 2 obs

● 2015-05-13 05:00:46
● 2026-03-29 14:40:14

●A66.96.140.1032015-05-13 → 2026-03-29 · 2 obs

● 2015-05-13 05:00:46
● 2026-03-29 14:40:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
openedcourse.net	ns1.dotster.com, ns2.dotster.com	-

✅ Authoritative Response

Server:172.64.53.155

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openedcourse.net (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.96.140.102, 66.96.140.103`

Analysis

Mail Server Role

mx.openedcourse.net is the mail server for openedcourse.net.

IP Addresses

mx.openedcourse.net resolves to two IPs: 66.96.140.102 and 66.96.140.103.

other host names for instance mx.karenmeenaghan.me, mx.walkinshawbc.com, mx.aesthetico.ca, mx.backbarn.com and mx.kavanoir.com share IP numbers with mx.openedcourse.net.

mx.openedcourse.net - robtex.com