`mail.btcontractors.com`

	DNSSEC	⚠️ Not signed
	A	38.111.141.33^{🇺🇸 ECHO-LABS-LLC38.111.141.0/24 PNAP-WDC002 Echolab Route}

`btcontractors.com`

	DNSSEC	⚠️ Not signed
	A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
	A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
	NS	`ns19.domaincontrol.com` ⭐
	NS	`ns20.domaincontrol.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`v=spf1 mx include:secureserver.net -all`
	TXT	`v=spf1 include:myteamasp.com include:_spf.google.com ~all`
	TXT	`google-site-verification=hirg-FJFoqjNb1CN_7Ve4dbeIYOp9Ykq6KUJyGQQO1I`
	SOA	`ns19.domaincontrol.com`dns@jomax.net 2026-02-19 #0

Previously MX for

btcontractors.com

Same first word

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mail.(0x7075737379)cat.jp

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DNS History

2 records (1 active, 1 former)

○A216.52.118.2192015-06-17 → 2016-11-26 · 4 obs

● 2015-06-17 20:17:38
● 2016-11-26 03:27:22
○ 2026-04-11 19:37:46
○ 2026-04-11 19:37:48

●A38.111.141.332026-04-11 → 2026-04-11 · 3 obs

○ 2016-11-26 03:27:22
● 2026-04-11 19:37:46
● 2026-04-11 19:37:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
btcontractors.com	ns19.domaincontrol.com, ns20.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.109.10

NS records: ns19.domaincontrol.com, ns20.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btcontractors.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.111.141.33`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)

Analysis

IP Addresses

mail.btcontractors.com resolves to one IP number: 38.111.141.33.

Other host names, for instance atlanticbbn.net, mail.lansberrytrucking.com, smtp.floodcity.com, mail.johnstownfoundrycastings.com and mail.altoonarail.net share IP numbers with mail.btcontractors.com.

mail.btcontractors.com - robtex.com