systemdesigntutorial.com - robtex.com
systemdesigntutorial.com
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=1788272390 | ||||||
Same first word
systemdesigntutorial.com |
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSdns1.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●NSdns2.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●MXeforward1.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●MXeforward2.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●MXeforward3.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●MXeforward4.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●MXeforward5.registrar-servers.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
●A75.2.60.52026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:48:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| systemdesigntutorial.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for systemdesigntutorial.com (unsigned zone)
⏱️ Timing
Total: 397ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.2.60.5 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 2 | v=spf1 include:spf.efwd.registrar-server, google-site-verification=DkrA13FHwwo-DRd |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
systemdesigntutorial.com points to a single IP number: 75.2.60.5.
Additional host names — upperbound.io, aiassembly.cc, il-tartufo.com and two others — share IP numbers with systemdesigntutorial.com.
Name Servers
systemdesigntutorial.com is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
systemdesigntutorial.com shares its name server setup with other domains, including biomendicwellness.com, anniera.com, smileupsalcedo.com and two others.
dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
systemdesigntutorial.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
systemdesigntutorial.com shares mail servers — at least in part — with other domains, including menaragaming-4d.org, getposty.app, kinotopkin.com and two others.
These mail servers tend to be used in combination with the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Host names pointing to a single IP address:
eforward1.registrar-servers.com points to 162.255.118.51.
eforward2.registrar-servers.com points to 162.255.118.52.
eforward3.registrar-servers.com points to 162.255.118.51.
eforward4.registrar-servers.com points to 162.255.118.52.
eforward5.registrar-servers.com points to 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.
eforward2.registrar-servers.com and eforward4.registrar-servers.com are host names that each point to 162.255.118.52 IP addresses.