`rmengineering-usa.com`

DNSSEC	⚠️ Not signed
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.emailsrvr.com` ⭐
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 a mx include:emailsrvr.com ~all`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2399247894

`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=1778716136

Same first word

rmengineering-usa.com

DNS History

12 records (6 active, 6 former)

●NScuritiba.ns.porkbun.com2026-03-27 → 2026-05-14 · 3 obs

○ 2020-01-23 16:20:00
● 2026-03-27 02:50:20
● 2026-05-14 00:13:16

●NSfortaleza.ns.porkbun.com2026-03-27 → 2026-05-14 · 3 obs

○ 2020-01-23 16:20:00
● 2026-03-27 02:50:20
● 2026-05-14 00:13:16

●NSmaceio.ns.porkbun.com2026-03-27 → 2026-05-14 · 3 obs

○ 2020-01-23 16:20:00
● 2026-03-27 02:50:20
● 2026-05-14 00:13:16

○NSns.rackspace.com2015-08-18 → 2016-07-17 · 4 obs

● 2015-08-18 00:09:28
● 2016-07-17 12:29:36
○ 2017-03-22 13:11:58
○ 2026-05-14 00:13:16

○NSns2.rackspace.com2015-08-18 → 2016-07-17 · 4 obs

● 2015-08-18 00:09:28
● 2016-07-17 12:29:36
○ 2017-03-22 13:11:58
○ 2026-05-14 00:13:16

●NSsalvador.ns.porkbun.com2026-03-27 → 2026-05-14 · 3 obs

○ 2020-01-23 16:20:00
● 2026-03-27 02:50:20
● 2026-05-14 00:13:16

○NSyosemite.cedarock.net2017-03-22 → 2020-01-23 · 5 obs

○ 2016-07-17 12:29:36
● 2017-03-22 13:11:58
● 2020-01-23 16:20:00
○ 2026-03-27 02:50:20
○ 2026-05-14 00:13:16

○NSzion.cedarock.net2017-03-22 → 2020-01-23 · 5 obs

○ 2016-07-17 12:29:36
● 2017-03-22 13:11:58
● 2020-01-23 16:20:00
○ 2026-03-27 02:50:20
○ 2026-05-14 00:13:16

●MXmx1.emailsrvr.com2015-08-18 → 2026-05-14 · 2 obs

● 2015-08-18 00:09:28
● 2026-05-14 00:13:16

●MXmx2.emailsrvr.com2015-08-18 → 2026-05-14 · 2 obs

● 2015-08-18 00:09:28
● 2026-05-14 00:13:16

○A144.208.74.2112017-03-22 → 2020-01-23 · 5 obs

○ 2016-07-17 12:29:36
● 2017-03-22 13:11:58
● 2020-01-23 16:20:00
○ 2026-03-27 02:50:20
○ 2026-05-14 00:13:16

○A66.216.91.802015-08-18 → 2016-07-17 · 4 obs

● 2015-08-18 00:09:28
● 2016-07-17 12:29:36
○ 2017-03-22 13:11:58
○ 2026-05-14 00:13:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
rmengineering-usa.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rmengineering-usa.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	1	`v=spf1 a mx include:emailsrvr.com ~all`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

Name Servers

rmengineering-usa.com is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

rmengineering-usa.com at least partially shares name servers with other domains, for instance tuibeitu.org, jamc.me, hktopo.com, amrap.tv and prideindiversity.com.

Host names with two IP numbers:

curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37; fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140; maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180; salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150.

Mail Servers

Two mail servers handle rmengineering-usa.com: mx1.emailsrvr.com and mx2.emailsrvr.com.

rmengineering-usa.com shares the same mail server setup as other domains, for instance ju-legal.com, sorent.co, bmbsuaritma.com.tr, 8833inc.com and vistacuratedtravel.com.

rmengineering-usa.com shares some mail servers with other domains, at least partially, for instance greenlinehomes.com, 199-48-199-18.pogozone.net, wantynu.com, integraso.com and mandlantiques.co.uk.

Host names by IP count:

- Four IP numbers: mx2.emailsrvr.com points to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2

- One IP number: mx1.emailsrvr.com points to 173.203.187.1

rmengineering-usa.com - robtex.com