system-dc.com - dns.ninja
system-dc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 57.129.131.37🇫🇷 OVH57.129.128.0/17 | ||||||
| PTR | mail.avertai.co.uk | ||||||
| NS | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| MX | mail.system-dc.com ⭐ | ||||||
| A | 57.129.131.37🇫🇷 OVH57.129.128.0/17 | ||||||
| PTR | mail.avertai.co.uk | ||||||
| TXT | v=spf1 ip4:57.129.131.37 -all | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2026-04-24 #1 | ||||||
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=1784085052 | ||||||
Subdomains
Same first word
system-dc.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.system-dc.com2015-07-06 → 2016-03-04 · 4 obs
● 2016-03-04 09:36:10
○ 2016-08-07 18:40:54
○ 2026-07-15 03:31:52
●NSns21.domaincontrol.com2016-08-07 → 2026-07-15 · 3 obs
● 2016-08-07 18:40:54
● 2026-07-15 03:31:52
●NSns22.domaincontrol.com2016-08-07 → 2026-07-15 · 3 obs
● 2016-08-07 18:40:54
● 2026-07-15 03:31:52
○NSsdc-s1.secureserver.net2015-07-06 → 2016-03-04 · 4 obs
● 2016-03-04 09:36:10
○ 2016-08-07 18:40:54
○ 2026-07-15 03:31:52
●MXmail.system-dc.com2015-07-06 → 2026-07-15 · 2 obs
● 2026-07-15 03:31:52
○MXsmtp.system-dc.com2016-08-07 → 2026-04-17 · 5 obs
● 2016-08-07 18:40:54
● 2026-04-17 21:58:54
○ 2026-04-24 20:21:04
○ 2026-07-15 03:31:52
○A192.169.219.152015-07-06 → 2017-04-20 · 4 obs
● 2017-04-20 22:39:34
○ 2026-04-12 13:04:40
○ 2026-07-15 03:31:52
●A57.129.131.372026-04-12 → 2026-07-15 · 3 obs
● 2026-04-12 13:04:40
● 2026-07-15 03:31:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| system-dc.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system-dc.com (unsigned zone)
⏱️ Timing
Total: 206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 57.129.131.37 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | mail.system-dc.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:57.129.131.37 -all |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
Hierarchy
system-dc.com is the parent domain of mail.system-dc.com and smtp.system-dc.com.
IP Addresses
system-dc.com points to a single IP number: 57.129.131.37.
Additional host names — smtp.system-dc.com, mail.system-dc.com, mail.spaclean-uk.com and two others — share IP numbers with system-dc.com.
Name Servers
Two name servers handle the delegation for system-dc.com: ns21.domaincontrol.com and ns22.domaincontrol.com.
system-dc.com shares its name server setup with other domains, including rushbb.com, azzurromilano.com, encurtai.cc and two others.
ns21.domaincontrol.com and ns22.domaincontrol.com both carry two IP addresses. The A records for ns21.domaincontrol.com are 97.74.100.11 and 2603:5:2141::b; the A records for ns22.domaincontrol.com are 173.201.68.11 and 2603:5:2241::b.
Mail Servers
system-dc.com has one mail server: mail.system-dc.com.
mail.system-dc.com carries a single IP number, which is 57.129.131.37.