`doorsopenmarkham.com`

DNSSEC	🔒 Signed (DS record present)
A	69.172.201.71^{🇨🇦 DOSARREST-169.172.201.0/24 DOSarrest Internet Security}
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
TXT	`v=spf1 -all`
SOA	`ns1-01.azure-dns.com`infrastructure@markham.ca serial=20

`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=1774409337

Subdomains

www.doorsopenmarkham.com

Same first word

doorsopenmarkham.com

DNS History

10 records (5 active, 5 former)

●NSns1-01.azure-dns.com2026-02-21 → 2026-03-25 · 3 obs

○ 2017-03-14 05:00:48
● 2026-02-21 16:17:14
● 2026-03-25 03:37:04

○NSns1.markham.ca2016-03-02 → 2017-03-14 · 4 obs

● 2016-03-02 19:55:36
● 2017-03-14 05:00:48
○ 2026-02-21 16:17:14
○ 2026-03-25 03:37:04

●NSns2-01.azure-dns.net2026-02-21 → 2026-03-25 · 3 obs

○ 2017-03-14 05:00:48
● 2026-02-21 16:17:14
● 2026-03-25 03:37:04

○NSns2.markham.ca2016-03-02 → 2017-03-14 · 4 obs

● 2016-03-02 19:55:36
● 2017-03-14 05:00:48
○ 2026-02-21 16:17:14
○ 2026-03-25 03:37:04

●NSns3-01.azure-dns.org2026-02-21 → 2026-03-25 · 3 obs

○ 2017-03-14 05:00:48
● 2026-02-21 16:17:14
● 2026-03-25 03:37:04

●NSns4-01.azure-dns.info2026-02-21 → 2026-03-25 · 3 obs

○ 2017-03-14 05:00:48
● 2026-02-21 16:17:14
● 2026-03-25 03:37:04

○A107.6.2.42015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 16:12:20
○ 2026-02-21 16:17:14
○ 2026-03-25 03:37:04

●A69.172.201.712016-07-11 → 2026-03-25 · 3 obs

○ 2016-03-02 19:55:36
● 2016-07-11 02:31:42
● 2026-03-25 03:37:04

○A70.33.205.1652015-11-26 → 2016-03-02 · 5 obs

○ 2015-07-03 16:12:20
● 2015-11-26 07:06:30
● 2016-03-02 19:55:36
○ 2016-07-11 02:31:42
○ 2026-03-25 03:37:04

○CNAMEwww.markham.ca2015-07-03 → 2015-11-26 · 4 obs

● 2015-07-03 16:12:20
● 2015-11-26 07:06:30
○ 2016-03-02 19:55:36
○ 2026-03-25 03:37:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
doorsopenmarkham.com	ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.1

NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`69.172.201.71`
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1-01.azure-dns.com infrastructure.mark`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-01.azure-dns.com, ns1-01.azure-dns.com)

Analysis

Hierarchy

doorsopenmarkham.com is the parent of www.doorsopenmarkham.com.

IP Addresses

doorsopenmarkham.com resolves to one IP number: 69.172.201.71.

other host names including markhamtheatre.ca, markham.ca, markhamfestivals.ca, millikenchildrensfestival.ca and markham.library.on.ca share IP numbers with doorsopenmarkham.com.

Name Servers

doorsopenmarkham.com is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

doorsopenmarkham.com at least partially shares name servers with other domains, for instance attijariwafagroupe.ma, amncares.com, microsoftdynamicsmarketplace.net, segheria3b.com and webtv.com.

Host names with two IP numbers:

ns1-01.azure-dns.com points to 2603:1061:0:700::1 and 13.107.236.1; ns4-01.azure-dns.info points to 2620:1ec:bda:700::1 and 208.84.5.1; ns2-01.azure-dns.net points to 2620:1ec:8ec:700::1 and 150.171.21.1; ns3-01.azure-dns.org points to 2a01:111:4000:700::1 and 204.14.183.1.

doorsopenmarkham.com - robtex.com