🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.coltec.dev`

DNSSEC	⚠️ Not signed
A	54.237.140.219^{🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix}
		PTR	`ec2-54-237-140-219.compute-1.amazonaws.com`

`coltec.dev`

	DNSSEC	⚠️ Not signed
	A	54.237.140.219^{🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix}
	NS	`ns1.coltec.dev` ⭐
	NS	`ns2.coltec.dev`
	MX	`mail.coltec.dev` ⭐
	TXT	`v=spf1 +a +mx +a:affectionate-nightingale.54-237-140-219.plesk.page -all`
	SOA	`ns1.coltec.dev`gonnetchile@gmail.com 2026-08-31 #1

MX for

coltec.dev

Same first word

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DNS History

1 record (1 active, 0 former)

●A54.237.140.2192026-09-04 → 2026-09-04 · 2 obs

● 2026-09-04 08:07:02
● 2026-09-04 09:31:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
coltec.dev	ns1.coltec.dev, ns2.coltec.dev	2 records

✅ Authoritative Response

Server:54.237.140.219

NS records: ns1.coltec.dev, ns2.coltec.dev

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coltec.dev (unsigned zone)

⏱️ Timing

Total: 176ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.237.140.219`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.coltec.dev, ns2.coltec.dev)

Analysis

Mail Server Role

Mail for coltec.dev is routed through the mail server mail.coltec.dev.

IP Addresses

mail.coltec.dev has exactly one IP address — 54.237.140.219.

Other hosts including ns2.coltec.dev, coltec.dev and ns1.coltec.dev share IP addresses with mail.coltec.dev.

mail.coltec.dev - robtex.com

mail.coltec.dev

coltec.dev