rctengineering.com - dns.ninja

`rctengineering.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-04 #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=1785843232

WOT: SAFE (23/100)

Subdomains

mail.rctengineering.com

Same first word

rctengineering.com

Similar names

trcengineering.net

rtcengineering.co.uk

trcengineering.us

DNS History

25 records (7 active, 18 former)

○NSns1.mydyndns.org2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

●NSns1.namebrightdns.com2026-03-06 → 2026-08-04 · 6 obs

○ 2020-02-18 23:19:36
● 2026-03-06 16:18:46
● 2026-05-09 05:41:42
○ 2026-05-27 00:14:20
● 2026-05-28 18:08:22
● 2026-08-04 11:53:58

○NSns1.parkingcrew.net2017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-10 17:31:20
● 2017-02-17 21:15:46
○ 2020-02-18 23:19:36
○ 2026-08-04 11:53:58

○NSns1192.dns.dyn.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

○NSns1626.ztomy.com2016-07-10 → 2016-07-10 · 4 obs

○ 2015-12-06 21:18:58
● 2016-07-10 17:31:20
○ 2017-02-17 21:15:46
○ 2026-08-04 11:53:58

○NSns2.parkingcrew.net2017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-10 17:31:20
● 2017-02-17 21:15:46
○ 2020-02-18 23:19:36
○ 2026-08-04 11:53:58

○NSns2196.dns.dyn.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

○NSns2626.ztomy.com2016-07-10 → 2016-07-10 · 4 obs

○ 2015-12-06 21:18:58
● 2016-07-10 17:31:20
○ 2017-02-17 21:15:46
○ 2026-08-04 11:53:58

○NSns3174.dns.dyn.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

○NSns4197.dns.dyn.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

●NSnsg1.namebrightdns.com2020-02-18 → 2026-08-04 · 3 obs

○ 2017-02-17 21:15:46
● 2020-02-18 23:19:36
● 2026-08-04 11:53:58

●NSnsg2.namebrightdns.com2020-02-18 → 2026-08-04 · 3 obs

○ 2017-02-17 21:15:46
● 2020-02-18 23:19:36
● 2026-08-04 11:53:58

○MXmail.b-io.co2016-03-12 → 2016-03-12 · 4 obs

○ 2015-12-06 21:18:58
● 2016-03-12 05:34:04
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

○MXmail.h-email.net2017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-10 17:31:20
● 2017-02-17 21:15:46
○ 2020-02-18 23:19:36
○ 2026-08-04 11:53:58

○MXmail.rctengineering.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-03-12 05:34:04
○ 2026-08-04 11:53:58

○MXrctengineering-com.mail.protection.outlook.com2015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-03-12 05:34:04
○ 2026-08-04 11:53:58

●A13.223.25.842026-03-06 → 2026-08-04 · 6 obs

○ 2020-02-18 23:19:36
● 2026-03-06 16:18:46
● 2026-05-09 05:41:42
○ 2026-05-27 00:14:20
● 2026-05-28 18:08:22
● 2026-08-04 11:53:58

○A185.53.179.82017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-10 17:31:20
● 2017-02-17 21:15:46
○ 2020-02-18 23:19:36
○ 2026-08-04 11:53:58

○A204.11.56.482016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-12 05:34:04
● 2016-07-10 17:31:20
○ 2017-02-17 21:15:46
○ 2026-08-04 11:53:58

○A208.91.197.1322016-03-12 → 2016-03-12 · 4 obs

○ 2015-12-06 21:18:58
● 2016-03-12 05:34:04
○ 2016-07-10 17:31:20
○ 2026-08-04 11:53:58

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-06 → 2026-08-04 · 6 obs

○ 2020-02-18 23:19:36
● 2026-03-06 16:18:46
● 2026-05-09 05:41:42
○ 2026-05-27 00:14:20
● 2026-05-28 18:08:22
● 2026-08-04 11:53:58

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-06 → 2026-08-04 · 6 obs

○ 2020-02-18 23:19:36
● 2026-03-06 16:18:46
● 2026-05-09 05:41:42
○ 2026-05-27 00:14:20
● 2026-05-28 18:08:22
● 2026-08-04 11:53:58

○A50.248.10.2042015-07-04 → 2015-12-06 · 4 obs

● 2015-07-04 01:41:54
● 2015-12-06 21:18:58
○ 2016-03-12 05:34:04
○ 2026-08-04 11:53:58

●A54.243.117.1972026-03-06 → 2026-08-04 · 6 obs

○ 2020-02-18 23:19:36
● 2026-03-06 16:18:46
● 2026-05-09 05:41:42
○ 2026-05-27 00:14:20
● 2026-05-28 18:08:22
● 2026-08-04 11:53:58

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 23:19:36
○ 2026-03-06 16:18:46
○ 2026-08-04 11:53:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rctengineering.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.162.235.48

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rctengineering.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

rctengineering.com is a parent domain of mail.rctengineering.com.

IP Addresses

rctengineering.com has four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

euqos.com, soleja.com, yogispaw.com plus two other host names have IP numbers in common with rctengineering.com.

Name Servers

rctengineering.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

rctengineering.com shares at least some of its name servers with other domains, including dns1.ricsen.com, macucoin.com, lotusguides.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hosts with 7 IP addresses each:

nsg2.namebrightdns.com resolves to 54.162.235.48, 54.221.37.2 and 54.235.53.129 among others, with 4 other IP addresses in total.

Hosts with five IP addresses:

nsg1.namebrightdns.com has IP addresses 3.93.61.140, 54.234.103.190 and 174.129.117.232 along with two other addresses.

Host names carrying three IP numbers:

The hostname ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.