`doorsforsecurity.com`

DNSSEC	⚠️ Not signed
A	34.235.64.125^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
		PTR	`ec2-34-235-64-125.compute-1.amazonaws.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` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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	`doorsforsecurity-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`mscid=Fo1nMau6Qb1nLIKwd5J8kbCdX2kaQmBtICgnBAm4m7PnrcywlSeE8TXBEmq5NDALI/rZiU8...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.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=1783191936

Same first word

doorsforsecurity.com

doorsforsecurity.co.uk

DNS History

14 records (6 active, 8 former)

○NSdns1.stabletransit.com2016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-29 21:12:12
● 2016-02-24 09:54:46
● 2016-05-11 08:46:28
○ 2017-02-07 18:33:46
○ 2026-07-04 19:13:28

○NSdns2.stabletransit.com2016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-29 21:12:12
● 2016-02-24 09:54:46
● 2016-05-11 08:46:28
○ 2017-02-07 18:33:46
○ 2026-07-04 19:13:28

○NSns.mainnameserver.com2015-07-16 → 2015-11-29 · 4 obs

● 2015-07-16 10:18:22
● 2015-11-29 21:12:12
○ 2016-02-24 09:54:46
○ 2026-07-04 19:13:28

○NSns.rackspace.com2016-02-24 → 2016-05-11 · 5 obs

○ 2015-11-29 21:12:12
● 2016-02-24 09:54:46
● 2016-05-11 08:46:28
○ 2017-02-07 18:33:46
○ 2026-07-04 19:13:28

●NSns1.bdm.microsoftonline.com2017-02-07 → 2026-07-04 · 3 obs

○ 2016-05-11 08:46:28
● 2017-02-07 18:33:46
● 2026-07-04 19:13:28

●NSns2.bdm.microsoftonline.com2017-02-07 → 2026-07-04 · 3 obs

○ 2016-05-11 08:46:28
● 2017-02-07 18:33:46
● 2026-07-04 19:13:28

○NSns2.mainnameserver.com2015-07-16 → 2015-11-29 · 4 obs

● 2015-07-16 10:18:22
● 2015-11-29 21:12:12
○ 2016-02-24 09:54:46
○ 2026-07-04 19:13:28

●NSns3.bdm.microsoftonline.com2017-02-07 → 2026-07-04 · 3 obs

○ 2016-05-11 08:46:28
● 2017-02-07 18:33:46
● 2026-07-04 19:13:28

●NSns4.bdm.microsoftonline.com2017-02-07 → 2026-07-04 · 3 obs

○ 2016-05-11 08:46:28
● 2017-02-07 18:33:46
● 2026-07-04 19:13:28

●MXdoorsforsecurity-com.mail.protection.outlook.com2016-02-24 → 2026-07-04 · 3 obs

○ 2015-11-29 21:12:12
● 2016-02-24 09:54:46
● 2026-07-04 19:13:28

○MXmail.doorsforsecurity.com2015-07-16 → 2015-11-29 · 4 obs

● 2015-07-16 10:18:22
● 2015-11-29 21:12:12
○ 2016-02-24 09:54:46
○ 2026-07-04 19:13:28

●A34.235.64.1252020-01-16 → 2026-07-04 · 3 obs

○ 2017-02-07 18:33:46
● 2020-01-16 19:43:20
● 2026-07-04 19:13:28

○A62.254.119.2202015-07-16 → 2016-05-11 · 4 obs

● 2015-07-16 10:18:22
● 2016-05-11 08:46:28
○ 2017-02-07 18:33:46
○ 2026-07-04 19:13:28

○A62.254.31.1552017-02-07 → 2017-02-07 · 4 obs

○ 2016-05-11 08:46:28
● 2017-02-07 18:33:46
○ 2020-01-16 19:43:20
○ 2026-07-04 19:13:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
doorsforsecurity.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com	4 records

✅ Authoritative Response

Server:13.107.236.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doorsforsecurity.com (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.235.64.125`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`doorsforsecurity-com.mail.protection.out`
TXT	2	`mscid=Fo1nMau6Qb1nLIKwd5J8kbCdX2kaQmBtIC, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

IP Addresses

doorsforsecurity.com directs to one IP number, which is 34.235.64.125.

Name Servers

The domain doorsforsecurity.com is delegated to these four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

At least some of doorsforsecurity.com's name servers are shared with other domains, for example 1stflight.co.uk, imagineering.solutions, dwlmultimedia.net and two more.

Four hostnames, each resolving to a pair of IP addresses: ns1.bdm.microsoftonline.com directs to 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com directs to 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com directs to 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com directs to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

doorsforsecurity.com routes its mail through a single mail server, doorsforsecurity-com.mail.protection.outlook.com.

doorsforsecurity-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.25, 52.101.68.32 and 52.101.73.1, along with 5 other.

doorsforsecurity.com - robtex.com