`usa1.biglayer4.com`

DNSSEC	⚠️ Not signed
A	51.81.96.72^{🇺🇸 OVH51.81.0.0/17 Hosting route}
		PTR	`usa1.biglayer4.com`

`biglayer4.com`

	DNSSEC	⚠️ Not signed
	NS	`elisabeth.ns.cloudflare.com` ⭐
	NS	`sean.ns.cloudflare.com`
	MX	`route1.mx.cloudflare.net` ⭐
	MX	`route2.mx.cloudflare.net`⁽⁵³⁾
	MX	`route3.mx.cloudflare.net`⁽¹⁰⁰⁾
	TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
	SOA	`elisabeth.ns.cloudflare.com`dns@cloudflare.com serial=2401529001

PTR for

72.96.81.51.in-addr.arpa

Same first word

usa1.de

usa1.com

usa1.ws

usa1.biz

usa1.us

usa1.icu

usa1.ru

usa1.net

Similar names

1usa.org

sau1.ru

aus1.net

a1us.net

1aus.com

uas1.com

aus1.com

1usa.us

1usa.com

uas1.co

1aus.cn

1usa.co

aus1.com.au

a1us.com

1usa.de

sau1.com

sau1.org

asu1.net

DNS History

1 record (1 active, 0 former)

●A51.81.96.722026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 11:03:14
● 2026-05-13 11:03:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
biglayer4.com	sean.ns.cloudflare.com, elisabeth.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.231

NS records: sean.ns.cloudflare.com, elisabeth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biglayer4.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.81.96.72`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sean.ns.cloudflare.com, sean.ns.cloudflare.com, sean.ns.cloudflare.com...)

Analysis

IP Addresses

usa1.biglayer4.com resolves to one IP number: 51.81.96.72.

Other host names, for instance hosted-by.armoredvm.net, share IP numbers with usa1.biglayer4.com.

usa1.biglayer4.com - robtex.com