`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::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.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::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.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=1776945762

Same first word

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backoffice.com.ua

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backoffice.ddns.net

backoffice.onl

backoffice.ee

backoffice.org.uk

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
○ 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

●NSns1.bdm.microsoftonline.com2026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

●NSns2.bdm.microsoftonline.com2026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

●NSns3.bdm.microsoftonline.com2026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

●NSns4.bdm.microsoftonline.com2026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

●MXbackoffice-com.mail.protection.outlook.com2026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

●A100.24.208.972026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

●A35.172.94.12026-02-19 → 2026-04-23 · 3 obs

○ 2017-01-27 21:46:12
● 2026-02-19 19:41:02
● 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

○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
○ 2026-04-23 12:03:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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:150.171.21.208

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: 263ms | 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 two IP numbers: 35.172.94.1 and 100.24.208.97.

Other host names, for instance atlanticinsurancetampa.com, atpalarms.com, watvl.com, larryolmsted.com and bunnscaffolding.com share IP numbers with backoffice.com.

Name Servers

backoffice.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

backoffice.com at least partially shares name servers with other domains, for instance zaffico.co.zm, keyebb.com, ramcnab.com, stefan-stecher.de and expertteam.ch.