rtb-showcase.com - dns.ninja
rtb-showcase.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⭐ | ||||||
| A | 2620:111:8004::53🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation | ||||||
| A | 199.247.152.53🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation | ||||||
| NS | ns2.dnsimple-edge.net | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com | ||||||
| A | 2620:111:8006::53🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation | ||||||
| A | 199.247.154.53🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation | ||||||
| NS | ns4.dnsimple-edge.org | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
| SOA | ns1.dnsimple.comadmin@dnsimple.com serial=1772032239 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785919854 | ||||||
Subdomains
tracker.rtb-showcase.com |
tracker-b.rtb-showcase.com |
Same first word
rtb-showcase.com |
DNS History
4 records (4 active, 0 former)
●NSns1.dnsimple.com2026-03-21 → 2026-08-05 · 2 obs
● 2026-08-05 09:11:32
●NSns2.dnsimple-edge.net2026-03-21 → 2026-08-05 · 2 obs
● 2026-08-05 09:11:32
●NSns3.dnsimple.com2026-03-21 → 2026-08-05 · 2 obs
● 2026-08-05 09:11:32
●NSns4.dnsimple-edge.org2026-03-21 → 2026-08-05 · 2 obs
● 2026-08-05 09:11:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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:199.247.154.53
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: 359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.dnsimple.com, ns2.dnsimple-edge.net... |
| SOA | 1 | ns1.dnsimple.com admin.dnsimple.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com...)
Analysis
Hierarchy
tracker.rtb-showcase.com and tracker-b.rtb-showcase.com are both subdomains of rtb-showcase.com.
Name Servers
The authoritative name servers for rtb-showcase.com are ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.
There is at least partial name server overlap between rtb-showcase.com and other domains — rippl.me, cedh-decklist-database.com, (0x6e616b6564)apps.co.nz and two more among them.
These name servers tend to appear in combination with the name servers ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple.com and ns4.dnsimple.com.
All four hostnames — ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org — resolve to two IP numbers apiece: ns1.dnsimple.com to 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple.com to 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net to 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org to 199.247.155.53 and 2620:111:8007::53.