opensystemstech.com - dns.ninja
opensystemstech.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=1786644264 | ||||||
Subdomains
www.opensystemstech.com |
Same first word
opensystemstech.us |
opensystemstech.com |
Similar names
DNS History
15 records (11 active, 4 former)
●NSdns31.cloudns.net2026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
●NSdns32.cloudns.net2026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
●NSdns33.cloudns.net2026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
●NSdns34.cloudns.net2026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
○NSns25.worldnic.com2015-07-23 → 2018-10-28 · 4 obs
● 2018-10-28 02:26:38
○ 2026-03-26 12:32:50
○ 2026-08-13 18:11:56
○NSns26.worldnic.com2015-07-23 → 2018-10-28 · 4 obs
● 2018-10-28 02:26:38
○ 2026-03-26 12:32:50
○ 2026-08-13 18:11:56
●MXalt1.aspmx.l.google.com2015-07-23 → 2026-08-13 · 2 obs
● 2026-08-13 18:11:56
●MXalt2.aspmx.l.google.com2015-07-23 → 2026-08-13 · 2 obs
● 2026-08-13 18:11:56
●MXaspmx.l.google.com2015-07-23 → 2026-08-13 · 2 obs
● 2026-08-13 18:11:56
●MXaspmx2.googlemail.com2015-07-23 → 2026-08-13 · 2 obs
● 2026-08-13 18:11:56
●MXaspmx3.googlemail.com2015-07-23 → 2026-08-13 · 2 obs
● 2026-08-13 18:11:56
○A104.239.227.2382016-02-08 → 2018-10-28 · 5 obs
● 2016-02-08 15:54:32
● 2018-10-28 02:26:38
○ 2026-03-26 12:32:50
○ 2026-08-13 18:11:56
●A15.197.230.232026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
●A3.33.229.872026-03-26 → 2026-08-13 · 3 obs
● 2026-03-26 12:32:50
● 2026-08-13 18:11:56
○A66.228.63.1802015-07-23 → 2015-11-17 · 4 obs
● 2015-11-17 08:23:50
○ 2016-02-08 15:54:32
○ 2026-08-13 18:11:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net... | - |
| opensystemstech.com | dns31.cloudns.net, dns32.cloudns.net, dns33.cloudns.net, dns34.cloudns.net | - |
✅ Authoritative Response
Server:185.136.98.100
NS records: dns31.cloudns.net, dns32.cloudns.net, dns33.cloudns.net, dns34.cloudns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensystemstech.com (unsigned zone)
⏱️ Timing
Total: 446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.229.87, 15.197.230.23 |
| NS | 4 | dns31.cloudns.net, dns32.cloudns.net... |
| MX | 5 | aspmx3.googlemail.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 4 | MS=BFBB0D61647E80ED3568363556E8000591EEC, google-site-verification=KKqIBPzytk7TglB... |
| SOA | 1 | dns31.cloudns.net support.cloudns.net |
Analysis
Hierarchy
opensystemstech.com serves as the parent of www.opensystemstech.com.
IP Addresses
opensystemstech.com resolves to the IP addresses 3.33.229.87 and 15.197.230.23
Among the host names that share IP numbers with opensystemstech.com are seeacareerwithus.com, optimal-staffing.com, www.opensystemstech.com and two others.
Name Servers
The domain opensystemstech.com is delegated to these four name servers: dns31.cloudns.net, dns32.cloudns.net, dns33.cloudns.net and dns34.cloudns.net.
opensystemstech.com has at least partial name server overlap with other domains, such as unsereserver.de, worldvision.com, smartcaraustralia.com and two others.
dns31.cloudns.net, dns32.cloudns.net, dns33.cloudns.net and dns34.cloudns.net all point to exactly two IP numbers each: dns31.cloudns.net → 185.136.96.100 and 2a06:fb00:1::1:100; dns32.cloudns.net → 185.136.97.100 and 2a06:fb00:1::2:100; dns33.cloudns.net → 185.136.98.100 and 2a06:fb00:1::3:100; dns34.cloudns.net → 185.136.99.100 and 2a06:fb00:1::4:100.
Mail Servers
opensystemstech.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
opensystemstech.com shares at least some of its mail servers with other domains — for example hkdm.de, coinbet24.com, intcis.net and two more.
It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b.
aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com points to 172.253.139.26 and 2607:f8b0:4004:c23::1b.
alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c14::1b IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.26 IP addresses.