`tracker.rtb-showcase.com`

CNAME	`tracker-use.ortb.net`
DNSSEC	⚠️ Not signed
A	172.111.38.54^{🇺🇸 AS63023172.111.38.0/24 GTHOST-ASH1}
		PTR	`54-38-111-172.clients.gthost.com`
A	172.111.38.86^{🇺🇸 AS63023172.111.38.0/24 GTHOST-ASH1}
A	172.111.38.111^{🇺🇸 AS63023172.111.38.0/24 GTHOST-ASH1}

`rtb-showcase.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.dnsimple.com` ⭐
	NS	`ns2.dnsimple-edge.net`
	NS	`ns3.dnsimple.com`
	NS	`ns4.dnsimple-edge.org`
	SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1772031083

📈 Tranco rank: #116,581

Same first word

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DNS History

1 record (1 active, 0 former)

●CNAMEtracker-use.ortb.net2026-05-11 → 2026-05-12 · 2 obs

● 2026-05-11 22:28:40
● 2026-05-12 02:16:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
rtb-showcase.com	ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net	4 records

✅ Authoritative Response

Server:162.159.24.4

NS records: ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtb-showcase.com (unsigned zone)

⏱️ Timing

Total: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`tracker-use.ortb.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com...)

Analysis

IP Addresses

tracker.rtb-showcase.com resolves to three IP numbers: 172.111.38.54, 172.111.38.86 and 172.111.38.111.

Other host names, for instance, tracker-use.ortb.net share IP numbers with tracker.rtb-showcase.com.

tracker.rtb-showcase.com - robtex.com