`custerholdings.com`

DNSSEC	⚠️ Not signed
A	23.25.85.17^{🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`23-25-85-17-static.hfc.comcastbusiness.net`
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	`custerholdings-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
TXT	`mscid=UMIcgAvAHHqBPatUeF89Gpc45JgzFCS1ptYVN30zbOA5lOhxSIBYiFvN5+s6Vf2T7Zndl6n...`
TXT	`v=spf1 ip4:23.25.85.17 include:spf.protection.outlook.com -all`
TXT	`MS=ms81853326`
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=1776233392

Subdomains

mail.custerholdings.com

Same first word

custerholdings.com

DNS History

18 records (6 active, 12 former)

●NSns1.bdm.microsoftonline.com2026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

●NSns2.bdm.microsoftonline.com2026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

●NSns3.bdm.microsoftonline.com2026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

●NSns4.bdm.microsoftonline.com2026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

○NSpdns1.registrar-servers.com2016-12-15 → 2018-09-10 · 4 obs

● 2016-12-15 01:04:58
● 2018-09-10 22:52:58
○ 2026-04-07 21:43:30
○ 2026-04-15 06:18:26

○NSpdns2.registrar-servers.com2016-12-15 → 2018-09-10 · 4 obs

● 2016-12-15 01:04:58
● 2018-09-10 22:52:58
○ 2026-04-07 21:43:30
○ 2026-04-15 06:18:26

●MXcusterholdings-com.mail.protection.outlook.com2026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

○MXeforward1.registrar-servers.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○MXeforward2.registrar-servers.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○MXeforward3.registrar-servers.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○MXeforward4.registrar-servers.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○MXeforward5.registrar-servers.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○MXmail.custerholdings.com2018-09-10 → 2018-09-10 · 4 obs

○ 2016-12-15 01:04:58
● 2018-09-10 22:52:58
○ 2026-04-07 21:43:30
○ 2026-04-15 06:18:26

○A10.1.10.1902016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

○A162.255.119.2482016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

●A23.25.85.172026-04-07 → 2026-04-15 · 3 obs

○ 2018-09-10 22:52:58
● 2026-04-07 21:43:30
● 2026-04-15 06:18:26

○A24.131.97.1682018-09-10 → 2018-09-10 · 4 obs

○ 2016-12-15 01:04:58
● 2018-09-10 22:52:58
○ 2026-04-07 21:43:30
○ 2026-04-15 06:18:26

○A50.73.190.62016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 01:04:58
○ 2018-09-10 22:52:58
○ 2026-04-15 06:18:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
custerholdings.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:208.84.5.208

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 custerholdings.com (unsigned zone)

⏱️ Timing

Total: 678ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.25.85.17`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`custerholdings-com.mail.protection.outlo`
TXT	3	`mscid=UMIcgAvAHHqBPatUeF89Gpc45JgzFCS1pt, v=spf1 ip4:23.25.85.17 include:spf.prote...`
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

Hierarchy

custerholdings.com is the parent of mail.custerholdings.com.

IP Addresses

custerholdings.com points to IP number 23.25.85.17.

Name Servers

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

custerholdings.com shares name servers with other domains at least partially, for example lauradunawaylaw.com, kleinsolomon.com, dsge.info, epertec.com and lejk.com.au.