`cpengineering.us`

DNSSEC	⚠️ Not signed
A	192.163.238.155^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
		PTR	`192-163-238-155.unifiedlayer.com`
NS	`ns1.bdm.microsoftonline.co` ⭐
NS	`ns1.bdm.microsoftonline.com.cpengineering.us` ⚠️ Not in parent delegation
NS	`ns1.hostmonster.com` ⚠️ Not in zone NS records
		A	162.159.24.157^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.hostmonster.com`
NS	`ns2.bdm.microsoftonline.com.cpengineering.us` ⚠️ Not in parent delegation
NS	`ns2.hostmonster.com` ⚠️ Not in zone NS records
		A	162.159.25.186^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.hostmonster.com`
NS	`ns3.bdm.microsoftonline.com.cpengineering.us` ⚠️ Not in parent delegation
NS	`ns4.bdm.microsoftonline.com.cpengineering.us` ⚠️ Not in parent delegation
MX	`cpengineering-us.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::16^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00306.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
		A	52.101.11.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr03cu00202.inbound.protection.outlook.com`
MX	`cpengineering.us`⁽¹⁰⁾
		A	192.163.238.155^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
			PTR	`192-163-238-155.unifiedlayer.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.co`root@server.usmm.us 2025-04-05 #0

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1785342421

MX for

cpengineering.us

Same first word

cpengineering.us

cpengineering.com

Similar names

pcengineering.in

DNS History

17 records (10 active, 7 former)

●NSns1.bdm.microsoftonline.co2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●NSns1.bdm.microsoftonline.com.cpengineering.us2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●NSns1.hostmonster.com2015-05-24 → 2026-07-29 · 5 obs

● 2015-05-24 20:42:22
○ 2015-10-18 04:43:34
○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

○NSns1.usmm.us2015-10-18 → 2017-06-09 · 5 obs

○ 2015-05-24 20:42:22
● 2015-10-18 04:43:34
● 2017-06-09 20:39:24
○ 2026-06-09 09:24:38
○ 2026-07-29 16:44:36

●NSns2.bdm.microsoftonline.com.cpengineering.us2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●NSns2.hostmonster.com2015-05-24 → 2026-07-29 · 5 obs

● 2015-05-24 20:42:22
○ 2015-10-18 04:43:34
○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

○NSns2.usmm.us2015-10-18 → 2017-06-09 · 5 obs

○ 2015-05-24 20:42:22
● 2015-10-18 04:43:34
● 2017-06-09 20:39:24
○ 2026-06-09 09:24:38
○ 2026-07-29 16:44:36

●NSns3.bdm.microsoftonline.com.cpengineering.us2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●NSns4.bdm.microsoftonline.com.cpengineering.us2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●MXcpengineering-us.mail.protection.outlook.com2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

●MXcpengineering.us2026-06-09 → 2026-07-29 · 3 obs

○ 2017-06-09 20:39:24
● 2026-06-09 09:24:38
● 2026-07-29 16:44:36

○MXfallbackmx.spamexperts.eu2017-06-09 → 2017-06-09 · 4 obs

○ 2016-11-26 11:46:16
● 2017-06-09 20:39:24
○ 2026-06-09 09:24:38
○ 2026-07-29 16:44:36

○MXlastmx.spamexperts.net2017-06-09 → 2017-06-09 · 4 obs

○ 2016-11-26 11:46:16
● 2017-06-09 20:39:24
○ 2026-06-09 09:24:38
○ 2026-07-29 16:44:36

○MXmail.cpengineering.us2015-05-24 → 2016-11-26 · 4 obs

● 2015-05-24 20:42:22
● 2016-11-26 11:46:16
○ 2017-06-09 20:39:24
○ 2026-07-29 16:44:36

○MXmx.spamexperts.com2017-06-09 → 2017-06-09 · 4 obs

○ 2016-11-26 11:46:16
● 2017-06-09 20:39:24
○ 2026-06-09 09:24:38
○ 2026-07-29 16:44:36

●A192.163.238.1552015-12-21 → 2026-07-29 · 3 obs

○ 2015-10-18 04:43:34
● 2015-12-21 14:08:42
● 2026-07-29 16:44:36

○A198.1.113.782015-05-24 → 2015-10-18 · 4 obs

● 2015-05-24 20:42:22
● 2015-10-18 04:43:34
○ 2015-12-21 14:08:42
○ 2026-07-29 16:44:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
cpengineering.us	ns1.hostmonster.com, ns2.hostmonster.com	-

✅ Authoritative Response

Server:162.159.25.186

NS records: ns1.hostmonster.com, ns2.hostmonster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpengineering.us (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.163.238.155`
NS	4	`ns1.bdm.microsoftonline.com.cpengineerin, ns2.bdm.microsoftonline.com.cpengineerin...`
MX	2	`cpengineering.us (pri: 10), cpengineering-us.mail.protection.outlook`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.co root.server.u`

Analysis

Mail Server Role

cpengineering.us serves as a mail server for cpengineering.us.

cpengineering-us.mail.protection.outlook.com routinely functions as a mail server together with cpengineering.us.

IP Addresses

cpengineering.us has exactly one IP address — 192.163.238.155.

Among the host names that share IP numbers with cpengineering.us is usmm.us, as one example.

Name Servers

cpengineering.us carries NS records listing 7 name servers — ns1.hostmonster.com, ns2.hostmonster.com, ns1.bdm.microsoftonline.co and 4 others.

cpengineering.us shares at least some of its name servers with other domains, including hawaiimacnuts.org, anna-paul.com, infernomusicgroup.com and two others.

These name servers are frequently seen alongside the name servers ns1.bdm.microsoftonline.com.cpengineering.us, ns2.bdm.microsoftonline.com.cpengineering.us, ns3.bdm.microsoftonline.com.cpengineering.us and ns4.bdm.microsoftonline.com.cpengineering.us.

ns1.hostmonster.com and ns2.hostmonster.com each resolve to one IP number: ns1.hostmonster.com points to 162.159.24.157 and ns2.hostmonster.com points to 162.159.25.186.

Mail Servers

cpengineering.us delegates mail to two mail servers, namely cpengineering.us and cpengineering-us.mail.protection.outlook.com.

Hosts with 8 IP addresses each:

cpengineering-us.mail.protection.outlook.com maps to 52.101.8.34, 52.101.9.12, 52.101.10.14 and 5 additional IP addresses.

Host names resolving to a single IP address:

cpengineering.us resolves to the IP address 192.163.238.155.

cpengineering.us - robtex.com