`mail.usb1.com`

DNSSEC	⚠️ Not signed
A	132.147.211.6^{🇺🇸 MARK-TWAIN132.147.192.0/19 Mark Twain Rural Telephone Co Hwy 6 E., PO Box 68 Hurdland MO 63547 United States}
		PTR	`132.147.211.6.marktwain.net`

`usb1.com`

	DNSSEC	⚠️ Not signed
	A	104.18.24.218^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.25.218^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`ns35.worldnic.com` ⭐
	NS	`ns36.worldnic.com`
	MX	`d144442a.ess.barracudanetworks.com` ⭐
	MX	`d144442b.ess.barracudanetworks.com`⁽²⁰⁾
	TXT	`v=spf1 include:_s00456487.autospf.email -all`
	SOA	`NS35.WORLDNIC.com`namehost@WORLDNIC.com serial=125051314

PTR for

241.150.145.216.in-addr.arpa

Previously MX for

usb1.com

Same first word

mail.ac.me

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mail.net.ua

mail.com.au

mail.cat

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mail.mil.tm

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DNS History

2 records (1 active, 1 former)

●A132.147.211.62026-03-14 → 2026-03-24 · 3 obs

○ 2016-03-16 13:47:24
● 2026-03-14 13:30:02
● 2026-03-24 06:26:54

○A67.221.201.2542015-08-15 → 2016-03-16 · 4 obs

● 2015-08-15 03:26:02
● 2016-03-16 13:47:24
○ 2026-03-14 13:30:02
○ 2026-03-24 06:26:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
usb1.com	ns35.worldnic.com, ns36.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.212

NS records: ns35.worldnic.com, ns36.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usb1.com (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`132.147.211.6`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns35.worldnic.com, ns36.worldnic.com)

Analysis

IP Addresses

mail.usb1.com points to an IP address: 132.147.211.6.

mail.usb1.com - robtex.com

mail.usb1.com

usb1.com