`exchangeopen.com`

DNSSEC	⚠️ Not signed
A	20.70.246.20^{🇦🇺 Microsoft20.64.0.0/10}
A	20.76.201.171^{🇳🇱 Microsoft20.64.0.0/10}
A	20.112.250.133^{🇺🇸 Microsoft20.64.0.0/10}
A	20.231.239.246^{🇺🇸 Microsoft20.192.0.0/10}
A	20.236.44.162^{🇺🇸 Microsoft20.192.0.0/10}
NS	`ns1-03.azure-dns.com` ⭐
		A	2603:1061:0:700::3^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-03.azure-dns.com`
		A	13.107.236.3^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-03.azure-dns.com`
NS	`ns2-03.azure-dns.net`
		A	2620:1ec:8ec:700::3^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-03.azure-dns.net`
		A	150.171.21.3^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-03.azure-dns.net`
NS	`ns3-03.azure-dns.org`
		A	2a01:111:4000:700::3^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-03.azure-dns.org`
		A	204.14.183.3^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-03.azure-dns.org`
NS	`ns4-03.azure-dns.info`
		A	2620:1ec:bda:700::3^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-03.azure-dns.info`
		A	208.84.5.3^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-03.azure-dns.info`
SOA	`ns1-03.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778452501

Same first word

exchangeopen.com

Similar names

openexchange.nl

openexchange.tv

openexchange.us

openexchange.org

openexchange.net

openexchange.de

openexchange.ru

openexchange.com

openexchange.ch

openexchange.co

openexchange.gr

DNS History

22 records (9 active, 13 former)

●NSns1-03.azure-dns.com2026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

○NSns1.msft.net2015-05-29 → 2017-07-09 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

●NSns2-03.azure-dns.net2026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

○NSns2.msft.net2015-05-29 → 2017-07-09 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

●NSns3-03.azure-dns.org2026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

○NSns3.msft.net2015-05-29 → 2017-07-09 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

○NSns35.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:30:10
○ 2015-05-29 10:53:38
○ 2026-05-10 22:37:04

○NSns36.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:30:10
○ 2015-05-29 10:53:38
○ 2026-05-10 22:37:04

●NSns4-03.azure-dns.info2026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

○NSns4.msft.net2015-05-29 → 2017-07-09 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

○MXmailstore1.secureserver.net2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:30:10
○ 2015-05-29 10:53:38
○ 2026-05-10 22:37:04

○MXsmtp.secureserver.net2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:30:10
○ 2015-05-29 10:53:38
○ 2026-05-10 22:37:04

●A20.112.250.1332026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

●A20.231.239.2462026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

●A20.236.44.1622026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

●A20.70.246.202026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

●A20.76.201.1712026-03-01 → 2026-05-10 · 3 obs

○ 2017-07-09 19:31:48
● 2026-03-01 10:55:38
● 2026-05-10 22:37:04

○A40.84.199.2332017-07-09 → 2017-07-09 · 4 obs

○ 2016-11-20 17:44:30
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

○A52.178.167.1092017-07-09 → 2017-07-09 · 4 obs

○ 2016-11-20 17:44:30
● 2017-07-09 19:31:48
○ 2026-03-01 10:55:38
○ 2026-05-10 22:37:04

○A64.4.6.1002015-05-29 → 2016-11-20 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2016-11-20 17:44:30
○ 2017-07-09 19:31:48
○ 2026-05-10 22:37:04

○A65.55.39.102015-05-29 → 2016-11-20 · 5 obs

○ 2008-03-12 00:30:10
● 2015-05-29 10:53:38
● 2016-11-20 17:44:30
○ 2017-07-09 19:31:48
○ 2026-05-10 22:37:04

○A68.178.232.1002008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:30:10
○ 2015-05-29 10:53:38
○ 2026-05-10 22:37:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
exchangeopen.com	ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.3

NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exchangeopen.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`20.70.246.20, 20.76.201.171...`
NS	4	`ns1-03.azure-dns.com, ns2-03.azure-dns.net...`
SOA	1	`ns1-03.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)

Analysis

IP Addresses

exchangeopen.com points to five IP numbers: 20.70.246.20, 20.76.201.171, 20.112.250.133, 20.231.239.246 and 20.236.44.162.

Other host names, for instance lanubemicrosoft.net, visio.com, microsoftgamestudios.org, halo5guardians.com.tw and hotmailint.biz share IP numbers with exchangeopen.com.

Name Servers

exchangeopen.com is delegated to four name servers: ns1-03.azure-dns.com, ns4-03.azure-dns.info, ns2-03.azure-dns.net and ns3-03.azure-dns.org.

exchangeopen.com at least partially shares name servers with other domains such as xn--nlq403idee.com, tipsy-toes.com, sarasajp.com, 174.4.in-addr.arpa and theenrollmentsolution.com.

Host names with two IP numbers:

ns1-03.azure-dns.com points to 2603:1061:0:700::3 and 13.107.236.3

ns4-03.azure-dns.info points to 2620:1ec:bda:700::3 and 208.84.5.3

ns2-03.azure-dns.net points to 2620:1ec:8ec:700::3 and 150.171.21.3

ns3-03.azure-dns.org points to 2a01:111:4000:700::3 and 204.14.183.3

exchangeopen.com - robtex.com