docstack.co - dns.ninja

`docstack.co`

DNSSEC	⚠️ Not signed
A	23.236.62.147^{🇺🇸 Google23.236.62.0/24}
		PTR	`147.62.236.23.bc.googleusercontent.com`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`docstack-co.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all v=spf1 include:_spf.atlassian....`
TXT	`atlassian-domain-verification=Lm8IjdyWO5tT1f3BA4GYp1YLdqOIGnOf59nuz+CvVWSR2Yh...`
TXT	`mscid=eorbhS67arkAWDqLX6xZ5y8fpQSBf65kRP9AOqvPwlThKebWwq+8WyLwWzu4Z9/urvg+/J+...`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759685834

Same first word

docstack.co

docstack.de

docstack.io

DNS History

11 records (6 active, 5 former)

●NSns1.bdm.microsoftonline.com2017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

●NSns2.bdm.microsoftonline.com2017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

●NSns3.bdm.microsoftonline.com2017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

●NSns4.bdm.microsoftonline.com2017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

○NSns69.domaincontrol.com2015-06-14 → 2016-04-03 · 4 obs

● 2015-06-14 07:30:32
● 2016-04-03 08:33:14
○ 2016-11-28 06:41:12
○ 2026-06-19 11:29:50

○NSns70.domaincontrol.com2015-06-14 → 2016-04-03 · 4 obs

● 2015-06-14 07:30:32
● 2016-04-03 08:33:14
○ 2016-11-28 06:41:12
○ 2026-06-19 11:29:50

●MXdocstack-co.mail.protection.outlook.com2017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

○MXmailstore1.secureserver.net2015-06-14 → 2016-04-03 · 4 obs

● 2015-06-14 07:30:32
● 2016-04-03 08:33:14
○ 2016-11-28 06:41:12
○ 2026-06-19 11:29:50

○MXsmtp.secureserver.net2015-06-14 → 2016-04-03 · 4 obs

● 2015-06-14 07:30:32
● 2016-04-03 08:33:14
○ 2016-11-28 06:41:12
○ 2026-06-19 11:29:50

○A184.168.221.442015-06-14 → 2016-04-03 · 4 obs

● 2015-06-14 07:30:32
● 2016-04-03 08:33:14
○ 2016-11-28 06:41:12
○ 2026-06-19 11:29:50

●A23.236.62.1472017-07-05 → 2026-06-19 · 3 obs

○ 2016-11-28 06:41:12
● 2017-07-05 02:01:36
● 2026-06-19 11:29:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
docstack.co	ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:150.171.21.208

NS records: ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docstack.co (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.236.62.147`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`docstack-co.mail.protection.outlook.com`
TXT	3	`v=spf1 include:spf.protection.outlook.co, atlassian-domain-verification=Lm8IjdyWO5...`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

IP Addresses

docstack.co resolves to one IP address: 23.236.62.147.

insure901.com, stopego.com, rrcag.ca and two other host names share IP numbers with docstack.co.

Name Servers

The authoritative name servers for docstack.co are ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

docstack.co has at least partial name server overlap with other domains, such as swalss.co.uk, prophouse.de, aft.ro and two others.

ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com all point to exactly two IP numbers each: ns1.bdm.microsoftonline.com → 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com → 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com → 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com → 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

Mail for docstack.co is handled by a single mail server, docstack-co.mail.protection.outlook.com.

docstack-co.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.0, 52.101.68.15, 52.101.68.29 and 5 others.