ntcusa.com - dns.ninja

`ntcusa.com`

DNSSEC	⚠️ Not signed
NS	`ns-896.awsdns-48.net` ⭐
		A	2600:9000:5303:8000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-896.awsdns-48.net`
		A	205.251.195.128^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-896.awsdns-48.net`
NS	`ns-1516.awsdns-61.org`
		A	2600:9000:5305:ec00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1516.awsdns-61.org`
		A	205.251.197.236^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1516.awsdns-61.org`
NS	`ns-1724.awsdns-23.co.uk`
		A	2600:9000:5306:bc00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1724.awsdns-23.co.uk`
		A	205.251.198.188^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1724.awsdns-23.co.uk`
NS	`ns-375.awsdns-46.com`
		A	2600:9000:5301:7700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-375.awsdns-46.com`
		A	205.251.193.119^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-375.awsdns-46.com`
MX	`primary.us.email.fireeyecloud.com` ⭐
		A	3.93.93.43^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.45^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.124^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.125^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.126^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt1.us.email.fireeyecloud.com`⁽²⁰⁾
		A	3.93.93.43^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.45^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.124^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.125^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.126^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt2.us.email.fireeyecloud.com`⁽³⁰⁾
		A	3.93.93.43^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.45^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.124^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.125^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.126^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt3.us.email.fireeyecloud.com`⁽⁴⁰⁾
		A	3.93.93.43^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.45^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.124^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.125^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.126^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
TXT	`E0Q4U52306`
TXT	`google-site-verification=gJDA6FPkkhAikSf2FjqNVnRbfkW1_QTHLVJ-WTbltiA`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
SOA	`ns-896.awsdns-48.net`awsdns-hostmaster@amazon.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=1785721412

📈 Tranco rank: #639,091

Same first word

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DNS History

15 records (8 active, 7 former)

○NSdns1.name-services.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

○NSdns2.name-services.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

○NSdns3.name-services.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

○NSdns4.name-services.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

○NSdns5.name-services.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

●NSns-1516.awsdns-61.org2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●NSns-1724.awsdns-23.co.uk2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●NSns-375.awsdns-46.com2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●NSns-896.awsdns-48.net2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●MXalt1.us.email.fireeyecloud.com2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●MXalt2.us.email.fireeyecloud.com2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

●MXalt3.us.email.fireeyecloud.com2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

○MXntcusa-com.mail.protection.outlook.com2015-07-01 → 2018-09-09 · 4 obs

● 2015-07-01 02:18:06
● 2018-09-09 18:13:16
○ 2026-02-15 17:26:24
○ 2026-08-03 02:08:42

●MXprimary.us.email.fireeyecloud.com2026-02-15 → 2026-08-03 · 3 obs

○ 2018-09-09 18:13:16
● 2026-02-15 17:26:24
● 2026-08-03 02:08:42

○A98.124.252.1722015-07-01 → 2026-02-17 · 4 obs

● 2015-07-01 02:18:06
● 2026-02-17 00:05:10
○ 2026-02-17 14:43:10
○ 2026-08-03 02:08:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ntcusa.com	ns-375.awsdns-46.com, ns-896.awsdns-48.net, ns-1724.awsdns-23.co.uk, ns-1516.awsdns-61.org	2 records

✅ Authoritative Response

Server:205.251.197.236

NS records: ns-375.awsdns-46.com, ns-896.awsdns-48.net, ns-1724.awsdns-23.co.uk, ns-1516.awsdns-61.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntcusa.com (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1516.awsdns-61.org, ns-1724.awsdns-23.co.uk...`
MX	4	`primary.us.email.fireeyecloud.com (pri: , alt1.us.email.fireeyecloud.com (pri: 20)...`
TXT	3	`E0Q4U52306, google-site-verification=gJDA6FPkkhAikSf...`
SOA	1	`ns-896.awsdns-48.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-375.awsdns-46.com, ns-375.awsdns-46.com)

Analysis

Name Servers

Four name servers handle the delegation for ntcusa.com: ns-375.awsdns-46.com, ns-896.awsdns-48.net, ns-1516.awsdns-61.org and ns-1724.awsdns-23.co.uk.

ntcusa.com partially shares its NS delegation with several other domains, including ictsourcing.com.au, centric.com, almondwaterart.com and two others.

ns-375.awsdns-46.com, ns-896.awsdns-48.net, ns-1516.awsdns-61.org and ns-1724.awsdns-23.co.uk each carry two IP addresses. ns-375.awsdns-46.com has 205.251.193.119 and 2600:9000:5301:7700::1; ns-896.awsdns-48.net has 205.251.195.128 and 2600:9000:5303:8000::1; ns-1516.awsdns-61.org has 205.251.197.236 and 2600:9000:5305:ec00::1; ns-1724.awsdns-23.co.uk has 205.251.198.188 and 2600:9000:5306:bc00::1.

Mail Servers

Four mail servers handle email for ntcusa.com: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

At least some of the mail servers used by ntcusa.com are shared with other domains: shamrockpoolsmn.com, mailmecb.com, historiatv.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx.us.email.fireeyecloud.com.

Hosts with 6 IP addresses each:

alt1.us.email.fireeyecloud.com resolves to 3.93.93.43, 3.93.93.44, 3.93.93.45 and 3 other IP addresses.

alt2.us.email.fireeyecloud.com resolves to 3.93.93.43, 3.93.93.44, 3.93.93.45 and 3 other IP addresses.

alt3.us.email.fireeyecloud.com resolves to 3.93.93.43, 3.93.93.44, 3.93.93.45 and 3 other IP addresses.

primary.us.email.fireeyecloud.com resolves to 3.93.93.43, 3.93.93.44, 3.93.93.45 and 3 other IP addresses.

The following host names resolve to 3.93.93.43: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

The following host names resolve to 3.93.93.44: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

The following host names resolve to 3.93.93.45: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

The following host names resolve to 34.223.36.124: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

The following host names resolve to 34.223.36.125: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

The following host names resolve to 34.223.36.126: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.