`mail.dev.nationaldrivertraining.com`

DNSSEC	⚠️ Not signed
A	13.56.23.254^{🇺🇸 Amazon13.56.0.0/16 EC2 Region prefix}
		PTR	`ec2-13-56-23-254.us-west-1.compute.amazonaws.com`
MX	`mail.dev.nationaldrivertraining.com` ⭐
		A	13.56.23.254^{🇺🇸 Amazon13.56.0.0/16 EC2 Region prefix}
			PTR	`ec2-13-56-23-254.us-west-1.compute.amazonaws.com`

`dev.nationaldrivertraining.com`

	DNSSEC	⚠️ Not signed
	A	13.56.23.254^{🇺🇸 Amazon13.56.0.0/16 EC2 Region prefix}
	MX	`mail.dev.nationaldrivertraining.com` ⭐
	TXT	`v=spf1 include:_spf.createsend.com ip4:13.56.23.254/18 ~all`

MX for

mail.dev.nationaldrivertraining.com

dev.nationaldrivertraining.com

Same first word

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DNS History

2 records (2 active, 0 former)

●MXmail.dev.nationaldrivertraining.com2026-03-07 → 2026-03-27 · 2 obs

● 2026-03-07 17:36:28
● 2026-03-27 17:29:50

●A13.56.23.2542026-03-07 → 2026-03-27 · 2 obs

● 2026-03-07 17:36:28
● 2026-03-27 17:29:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nationaldrivertraining.com	ns3.worldnic.com, ns4.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.110

NS records: ns3.worldnic.com, ns4.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nationaldrivertraining.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.56.23.254`
MX	1	`mail.dev.nationaldrivertraining.com (pri`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.worldnic.com, ns4.worldnic.com)

Analysis

The mail server setup of mail.dev.nationaldrivertraining.com is the same as that of other domains, for instance dev.nationaldrivertraining.com.

mail.dev.nationaldrivertraining.com points to a single IP: 13.56.23.254.

mail.dev.nationaldrivertraining.com - robtex.com