qr0a.com - robtex.com
qr0a.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.72.49.79🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-52-72-49-79.compute-1.amazonaws.com | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1765011594 | ||||||
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=1784282727 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.dns.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-04-13 23:54:06
○ 2026-07-17 10:21:40
●NSns1.systemdns.com2026-04-13 → 2026-07-17 · 3 obs
● 2026-04-13 23:54:06
● 2026-07-17 10:21:40
○NSns2.dns.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-04-13 23:54:06
○ 2026-07-17 10:21:40
●NSns2.systemdns.com2026-04-13 → 2026-07-17 · 3 obs
● 2026-04-13 23:54:06
● 2026-07-17 10:21:40
●NSns3.systemdns.com2026-04-13 → 2026-07-17 · 3 obs
● 2026-04-13 23:54:06
● 2026-07-17 10:21:40
○A154.205.81.282019-12-15 → 2019-12-15 · 3 obs
○ 2026-04-13 23:54:06
○ 2026-07-17 10:21:40
●A52.72.49.792026-04-13 → 2026-07-17 · 3 obs
● 2026-04-13 23:54:06
● 2026-07-17 10:21:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| qr0a.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qr0a.com (unsigned zone)
⏱️ Timing
Total: 230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.72.49.79 |
| NS | 3 | ns3.systemdns.com, ns2.systemdns.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
IP Addresses
qr0a.com resolves to just one IP address, 52.72.49.79.
Two other host names, along with *.amigo.am, f64.co and ovoener.gy, also share IP numbers with qr0a.com.
Name Servers
qr0a.com is served by three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
qr0a.com has at least partial name server overlap with other domains, such as caldaieferroli.com, besmartandbeapart.com, tnrglobal.com and two others.
The hostnames ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com each direct to two IP addresses — ns1.systemdns.com to 216.40.47.90 and 2604:4000:0:d:216:40:47:90, ns2.systemdns.com to 64.98.148.16 and 2604:4000:2800:d:64:99:148:16, and ns3.systemdns.com to 64.99.96.36 and 2604:4000:0:d:64:99:96:36.