duosys.com - robtex.com
duosys.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 | ||||||
Same first word
duosys.com |
Similar names
DNS History
19 records (13 active, 6 former)
○NSdns1.name-services.com2015-07-22 → 2020-02-24 · 3 obs
● 2020-02-24 05:40:52
○ 2026-03-22 23:09:22
○NSdns2.name-services.com2015-07-22 → 2020-02-24 · 3 obs
● 2020-02-24 05:40:52
○ 2026-03-22 23:09:22
○NSdns3.name-services.com2015-07-22 → 2020-02-24 · 3 obs
● 2020-02-24 05:40:52
○ 2026-03-22 23:09:22
○NSdns4.name-services.com2015-07-22 → 2020-02-24 · 3 obs
● 2020-02-24 05:40:52
○ 2026-03-22 23:09:22
○NSdns5.name-services.com2015-07-22 → 2020-02-24 · 3 obs
● 2020-02-24 05:40:52
○ 2026-03-22 23:09:22
●NSns-cloud-b1.googledomains.com2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●NSns-cloud-b2.googledomains.com2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●NSns-cloud-b3.googledomains.com2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●NSns-cloud-b4.googledomains.com2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●MXalt1.aspmx.l.google.com2015-07-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●MXalt2.aspmx.l.google.com2015-07-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●MXalt3.aspmx.l.google.com2015-11-29 → 2026-03-22 · 3 obs
● 2015-11-29 22:14:30
● 2026-03-22 23:09:22
●MXalt4.aspmx.l.google.com2015-11-29 → 2026-03-22 · 3 obs
● 2015-11-29 22:14:30
● 2026-03-22 23:09:22
●MXaspmx.l.google.com2015-07-22 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
○MXaspmx2.googlemail.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-29 22:14:30
○ 2026-03-22 23:09:22
●A216.239.32.212015-11-29 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●A216.239.34.212015-11-29 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●A216.239.36.212015-11-29 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
●A216.239.38.212015-11-29 → 2026-03-22 · 2 obs
● 2026-03-22 23:09:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duosys.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 416ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.34.21, 216.239.36.21... |
| NS | 4 | ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by duosys.com: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
other host names including coraline.org, mightyfresh.com, ryoteq.com, kandamori.net and portalfitnesspersonal.com share IP numbers with duosys.com.
Name Servers
duosys.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
duosys.com at least partially shares name servers with other domains, for instance clounix.net, ada-avenue.com, misterhorse.tv, andrewpurchin.com and 3kh.info.
Host names with two IP numbers:
ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107; ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107; ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107; ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107.
Mail Servers
duosys.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
duosys.com shares some mail servers with other domains, at least partially, for instance ns500742.ns500754.ns500742.ns500704.ns500705.ns500705.ns500688.ns500705.ns500671.ns500291.ns500649.lustychickser.com, ns500731.ns500731.ns500671.ns500731.ns500754.ns500731.ns500731.ns500705.ns500705.ns500678.ns500688.ns500688.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, ns500698.ns500758.ns500698.ns500736.ns500736.ns500736.ns500698.ns500736.ns500735.ns500698.ns500576.ns500576.ns500686.ns500619.trackreceptor.com, fakhoora.org and ns500671.ns500742.ns500754.ns500742.ns500742.ns500731.ns500705.ns500704.ns500688.ns500704.ns500671.ns500688.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27