backoffice.com - dns.ninja

`backoffice.com`

DNSSEC	⚠️ Not signed
A	35.172.94.1^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
		PTR	`staticip.multiscreensite.com`
A	100.24.208.97^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
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	`backoffice-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`mscid=Y6tNm/Xi3d3pC5dUV1DgbjbfFa/u1F9ZwCk+xkb1t6xTjftTEpcPTOdq1aY30IKg9jJxlGW...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`brevo-code:38d8a716d34298ce95d60d2a1d68a40d`
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=1782892301

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DNS History

18 records (7 active, 11 former)

○NSdns0.xhosttellnet.co.uk2015-08-09 → 2016-07-12 · 4 obs

● 2015-08-09 18:15:16
● 2016-07-12 11:53:10
○ 2017-01-27 21:46:12
○ 2026-07-01 08:21:20

○NSdns1.xhosttellnet.co.uk2015-08-09 → 2016-07-12 · 4 obs

● 2015-08-09 18:15:16
● 2016-07-12 11:53:10
○ 2017-01-27 21:46:12
○ 2026-07-01 08:21:20

○NSns0.phase8.net2017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

●NSns1.bdm.microsoftonline.com2026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

○NSns1.phase8.net2017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

●NSns2.bdm.microsoftonline.com2026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

○NSns2.phase8.net2017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

●NSns3.bdm.microsoftonline.com2026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

●NSns4.bdm.microsoftonline.com2026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

○NSsns.xhostcustomers.co.uk2015-08-09 → 2016-07-12 · 4 obs

● 2015-08-09 18:15:16
● 2016-07-12 11:53:10
○ 2017-01-27 21:46:12
○ 2026-07-01 08:21:20

○MXathena.hosts.co.uk2017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

●MXbackoffice-com.mail.protection.outlook.com2026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

○MXfilter1.maddisongroup.co.uk2015-08-09 → 2016-07-12 · 4 obs

● 2015-08-09 18:15:16
● 2016-07-12 11:53:10
○ 2017-01-27 21:46:12
○ 2026-07-01 08:21:20

○MXhermes.hosts.co.uk2017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

●A100.24.208.972026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

●A35.172.94.12026-02-19 → 2026-07-01 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-07-01 08:21:20

○A85.233.160.222017-01-27 → 2017-01-27 · 4 obs

○ 2016-07-12 11:53:10
● 2017-01-27 21:46:12
○ 2026-02-19 19:41:02
○ 2026-07-01 08:21:20

○A91.232.148.132015-08-09 → 2016-07-12 · 4 obs

● 2015-08-09 18:15:16
● 2016-07-12 11:53:10
○ 2017-01-27 21:46:12
○ 2026-07-01 08:21:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
backoffice.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:13.107.236.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backoffice.com (unsigned zone)

⏱️ Timing

Total: 1912ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`100.24.208.97, 35.172.94.1`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`backoffice-com.mail.protection.outlook.c`
TXT	3	`mscid=Y6tNm/Xi3d3pC5dUV1DgbjbfFa/u1F9ZwC, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

IP Addresses

backoffice.com points to the IP addresses 35.172.94.1 and 100.24.208.97

Among the host names that share IP numbers with backoffice.com are atlanticinsurancetampa.com, atpalarms.com, watvl.com and two others.

Name Servers

The domain backoffice.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.

There is at least partial name server overlap between backoffice.com and other domains — sommarhagen.se, zaffico.co.zm, keyebb.com and two more among them.

These name servers regularly appear alongside ns1.infratelnameservers.co.zm, ns2.infratelnameservers.co.zm, ns1.mtnglobal.co.zm and 3 other name servers in NS record sets.

All four hostnames — ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com — resolve to two IP numbers apiece: ns1.bdm.microsoftonline.com to 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com to 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com to 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

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

backoffice-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.16, 52.101.68.27 and 52.101.73.28, along with 5 other.