`dombrowskiengineers.com`

DNSSEC	⚠️ Not signed
A	155.138.161.103^{🇺🇸 AS-VULTR155.138.160.0/20 Vultr Assigned Prefix}
		PTR	`155.138.161.103.vultrusercontent.com`
NS	`ns1.netfirms.com` ⭐
		A	65.254.254.157^{🇺🇸 EIG-2987365.254.224.0/19 TML Customer}
			PTR	`ns1.netfirms.com`
NS	`ns2.netfirms.com`
		A	66.96.142.145^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
			PTR	`ns2.netfirms.com`
MX	`dombrowskiengineers-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
MX	`mx.dombrowskiengineers.com`⁽³⁰⁾
		A	66.96.140.76^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
			PTR	`76.140.96.66.static.eigbox.net`
		A	66.96.140.77^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
			PTR	`77.140.96.66.static.eigbox.net`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.netfirms.com`dnsadmin@netfirms.com 2011-06-25 #36

`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=1774676982

Subdomains

mx.dombrowskiengineers.com

DNS History

10 records (5 active, 5 former)

●NSns1.netfirms.com2015-07-08 → 2026-03-28 · 3 obs

○ 2008-03-15 03:51:28
● 2015-07-08 22:11:18
● 2026-03-28 05:59:22

●NSns2.netfirms.com2015-07-08 → 2026-03-28 · 3 obs

○ 2008-03-15 03:51:28
● 2015-07-08 22:11:18
● 2026-03-28 05:59:22

○NSns271.websitewelcome.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 03:51:28
○ 2015-07-08 22:11:18
○ 2026-03-28 05:59:22

○NSns272.websitewelcome.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 03:51:28
○ 2015-07-08 22:11:18
○ 2026-03-28 05:59:22

●MXdombrowskiengineers-com.mail.protection.outlook.com2015-07-08 → 2026-03-28 · 3 obs

○ 2008-03-15 03:51:28
● 2015-07-08 22:11:18
● 2026-03-28 05:59:22

○MXdombrowskiengineers.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 03:51:28
○ 2015-07-08 22:11:18
○ 2026-03-28 05:59:22

●MXmx.dombrowskiengineers.com2015-07-08 → 2026-03-28 · 3 obs

○ 2008-03-15 03:51:28
● 2015-07-08 22:11:18
● 2026-03-28 05:59:22

●A155.138.161.1032026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-01 14:19:04
● 2026-03-28 05:59:20
● 2026-03-28 05:59:22

○A192.185.154.532015-07-08 → 2017-04-01 · 5 obs

○ 2008-03-15 03:51:28
● 2015-07-08 22:11:18
● 2017-04-01 14:19:04
○ 2026-03-28 05:59:20
○ 2026-03-28 05:59:22

○A74.52.60.1622008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 03:51:28
○ 2015-07-08 22:11:18
○ 2026-03-28 05:59:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dombrowskiengineers.com	ns1.netfirms.com, ns2.netfirms.com	2 records

✅ Authoritative Response

Server:65.254.254.157

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dombrowskiengineers.com (unsigned zone)

⏱️ Timing

Total: 50ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`155.138.161.103`
NS	2	`ns2.netfirms.com, ns1.netfirms.com`
MX	2	`dombrowskiengineers-com.mail.protection., mx.dombrowskiengineers.com (pri: 30)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.netfirms.com dnsadmin.netfirms.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.netfirms.com, ns2.netfirms.com)

Analysis

Hierarchy

dombrowskiengineers.com is the parent of mx.dombrowskiengineers.com.

IP Addresses

dombrowskiengineers.com points to a single IP number: 155.138.161.103.

Other host names, for instance hodge.cc, victoriahodge.com and primepropertiesfla.com share IP numbers with dombrowskiengineers.com.

Name Servers

dombrowskiengineers.com is delegated to two name servers: ns1.netfirms.com and ns2.netfirms.com.

dombrowskiengineers.com shares the same name server setup as other domains, for example bamquickbins.com, swigbi.com, bytesmart.com, art-rash.com and mmtr.ca.

dombrowskiengineers.com at least partially shares name servers with other domains, for instance octaviojan.com, global-regulatory.com, sagerk.ca, nuvitality.com and zahri.biz.

These name servers are often used with ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.

Host names with one IP number:

The host ns1.netfirms.com points to 65.254.254.157 and the host ns2.netfirms.com points to 66.96.142.145.

Mail Servers

dombrowskiengineers.com is handled by two mail servers: mx.dombrowskiengineers.com and dombrowskiengineers-com.mail.protection.outlook.com.

Eight IP numbers for the host dombrowskiengineers-com.mail.protection.outlook.com: 2a01:111:f403:c902::2, 2a01:111:f403:f804::3, 2a01:111:f403:f905::3, 2a01:111:f403:f907::1, 52.101.40.2, 52.101.41.6, 52.101.50.10 and 52.101.194.3. The host name mx.dombrowskiengineers.com points to: 66.96.140.76 and 66.96.140.77.

dombrowskiengineers.com - robtex.com