dualos.com - robtex.com
dualos.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=1771291435 | ||||||
Subdomains
www.dualos.com |
Same first word
dualos.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns43.domaincontrol.com2015-05-15 → 2026-03-12 · 2 obs
● 2026-03-12 21:26:52
●NSns44.domaincontrol.com2015-05-15 → 2026-03-12 · 2 obs
● 2026-03-12 21:26:52
○MXd323509a.ess.barracudanetworks.com2026-03-12 → 2026-03-12 · 1 obs
○MXd323509b.ess.barracudanetworks.com2026-03-12 → 2026-03-12 · 1 obs
○MXdualos-com.mail.eo.outlook.com2015-05-15 → 2017-05-21 · 3 obs
● 2017-05-21 22:27:08
○ 2026-03-12 21:26:52
●MXdualos-com.mail.protection.outlook.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 21:26:52
○A107.180.46.1972015-12-18 → 2017-05-21 · 4 obs
● 2015-12-18 22:16:04
● 2017-05-21 22:27:08
○ 2026-03-12 21:26:52
○A207.57.20.1372015-05-15 → 2015-10-12 · 4 obs
● 2015-10-12 11:08:44
○ 2015-12-18 22:16:04
○ 2026-03-12 21:26:52
●A216.219.90.122026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 21:26:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dualos.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dualos.com (unsigned zone)
⏱️ Timing
Total: 107ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.219.90.12 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 1 | dualos-com.mail.protection.outlook.com ( |
| TXT | 1 | v=spf1 include:outlook.com ~all |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
Hierarchy
The parent of www.dualos.com is dualos.com.
IP Addresses
dualos.com points to a single IP: 216.219.90.12.
Other host names, such as psirep.com, share IP numbers with dualos.com.
Name Servers
Two name servers ns43.domaincontrol.com and ns44.domaincontrol.com handle delegation for dualos.com.
dualos.com uses the same name server setup as other domains, for example ktownurgentcare.com, cowboydetective.com, pcnaws.com, iglas.eu and savethefrogsgame.com.
Host names with two IP numbers:
ns43.domaincontrol.com points to: 2603:5:2152::16 and 97.74.101.22
ns44.domaincontrol.com points to: 2603:5:2252::16 and 173.201.69.22
Mail Servers
dualos.com is handled by a single mail server, dualos-com.mail.protection.outlook.com.
Hostname dualos-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c931::, 2a01:111:f403:c946::6, 2a01:111:f403:f90a::, 2a01:111:f403:f90c::, 52.101.9.11, 52.101.9.17, 52.101.50.13 and 52.101.194.12.