`ultimatesupport.us`

DNSSEC	⚠️ Not signed
A	3.33.152.147^{🇺🇸 Amazon3.33.144.0/20}
		PTR	`a4ec4c6ea1c92e2e6.awsglobalaccelerator.com`
A	15.197.142.173^{🇺🇸 Amazon15.197.128.0/20}
NS	`ns53.worldnic.com` ⭐
		A	162.159.26.165^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns54.worldnic.com`
		A	162.159.27.8^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`NS53.WORLDNIC.COM`namehost@WORLDNIC.COM serial=126033011

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774965257

Same first word

ultimatesupport.myshopify.com

ultimatesupport.com

ultimatesupport.us

DNS History

9 records (6 active, 3 former)

○NSns47.domaincontrol.com2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 18:18:16
○ 2026-03-24 22:17:38
○ 2026-03-31 14:14:36

○NSns48.domaincontrol.com2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 18:18:16
○ 2026-03-24 22:17:38
○ 2026-03-31 14:14:36

●NSns53.worldnic.com2026-03-24 → 2026-03-31 · 3 obs

○ 2016-07-12 18:18:16
● 2026-03-24 22:17:38
● 2026-03-31 14:14:36

●NSns54.worldnic.com2026-03-24 → 2026-03-31 · 3 obs

○ 2016-07-12 18:18:16
● 2026-03-24 22:17:38
● 2026-03-31 14:14:36

●MXmailstore1.secureserver.net2016-07-12 → 2026-03-31 · 2 obs

● 2016-07-12 18:18:16
● 2026-03-31 14:14:36

●MXsmtp.secureserver.net2016-07-12 → 2026-03-31 · 2 obs

● 2016-07-12 18:18:16
● 2026-03-31 14:14:36

●A15.197.142.1732026-03-24 → 2026-03-31 · 3 obs

○ 2016-07-12 18:18:16
● 2026-03-24 22:17:38
● 2026-03-31 14:14:36

●A3.33.152.1472026-03-24 → 2026-03-31 · 3 obs

○ 2016-07-12 18:18:16
● 2026-03-24 22:17:38
● 2026-03-31 14:14:36

○A50.63.202.452016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 18:18:16
○ 2026-03-24 22:17:38
○ 2026-03-31 14:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	f.cctld.us, x.cctld.us, y.cctld.us, k.cctld.us...	-
ultimatesupport.us	ns53.worldnic.com, ns54.worldnic.com	-

✅ Authoritative Response

Server:162.159.26.165

NS records: ns53.worldnic.com, ns54.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ultimatesupport.us (unsigned zone)

⏱️ Timing

Total: 780ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.152.147, 15.197.142.173`
NS	2	`ns54.worldnic.com, ns53.worldnic.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
SOA	1	`NS53.WORLDNIC.COM namehost.WORLDNIC.COM`

Analysis

IP Addresses

ultimatesupport.us resolves to two IP numbers: 3.33.152.147 and 15.197.142.173.

Other host names, for instance foxtires.com, lisamarietodd.com, chestersotf.com, claoffice.com and syntax.ca share IP numbers with ultimatesupport.us.

Name Servers

Two name servers ns53.worldnic.com and ns54.worldnic.com handle delegation for ultimatesupport.us.

ultimatesupport.us uses the same name server setup as other domains, for example quirosloria.com, ishtarwine.com, crosbiegroup.com, win-source.com and lifecarecenterofmichigancity.com.

Host names with one IP number: The host name ns53.worldnic.com points to 162.159.26.165 and the host name ns54.worldnic.com points to 162.159.27.8.

Mail Servers

ultimatesupport.us is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

ultimatesupport.us has the same mail server setup as other domains, including drtvchannel.net, theportablegourmet.com, back2newthebbqcleaner.com, newcustomgarage.com and wetpaint.gallery.

ultimatesupport.us shares some mail servers with other domains at least partially, for example onlinesolid.com, inciteit.com, v-manager.de and reicanof.com.

Host names with three IP numbers:

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

ultimatesupport.us - robtex.com