duosusa.com - robtex.com
duosusa.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=1774409337 | ||||||
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSdmzdc1.echdmz.com2015-06-27 → 2016-12-03 · 7 obs
● 2015-11-01 19:50:14
○ 2016-02-01 12:57:10
● 2016-04-14 16:26:34
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
○NSdmzdc2.echdmz.com2015-06-27 → 2016-12-03 · 7 obs
○ 2015-11-01 19:50:14
● 2016-02-01 12:57:10
○ 2016-04-14 16:26:34
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
○NSns1.ech.com2015-06-27 → 2016-12-03 · 4 obs
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
○NSns2.ech.com2015-06-27 → 2016-12-03 · 4 obs
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
●NSns53.worldnic.com2017-06-18 → 2026-03-25 · 3 obs
● 2017-06-18 15:47:52
● 2026-03-25 03:42:42
●NSns54.worldnic.com2017-06-18 → 2026-03-25 · 3 obs
● 2017-06-18 15:47:52
● 2026-03-25 03:42:42
○MXduo(0x736578)change.duosusa.com2015-06-27 → 2016-12-03 · 4 obs
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
○MXduo(0x736578)change07.duosusa.com2015-06-27 → 2016-12-03 · 4 obs
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
●MXduosusa-com.mail.protection.outlook.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 03:42:42
○MXp.webcom.ctmail.com2017-06-18 → 2017-06-18 · 3 obs
● 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
○A170.55.9.652017-06-18 → 2017-06-18 · 3 obs
● 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
●A35.208.156.672026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 03:42:42
○A97.65.152.2342015-06-27 → 2016-12-03 · 4 obs
● 2016-12-03 02:54:38
○ 2017-06-18 15:47:52
○ 2026-03-25 03:42:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duosusa.com | ns53.worldnic.com, ns54.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.165
NS records: ns53.worldnic.com, ns54.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duosusa.com (unsigned zone)
⏱️ Timing
Total: 127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.208.156.67 |
| MX | 1 | duosusa-com.mail.protection.outlook.com |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms94400824 |
| SOA | 1 | NS53.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns53.worldnic.com, ns54.worldnic.com)
Analysis
IP Addresses
duosusa.com maps to IP address 35.208.156.67.
Other host names, for instance olivedevelopment.com, wildproj.org, immaterialmedia.com, eschmannpringle.com and emiltoth.com share IP numbers with duosusa.com.
Name Servers
Two name servers ns53.worldnic.com and ns54.worldnic.com are delegated to duosusa.com.
duosusa.com uses the same name server configuration as other domains, such as globanbioorganics.com, aamcn.net, robertbarr.org, polaroceans.com and paneratwotable.mobi.
duosusa.com shares some name servers with other domains, for example netwatch.cz.
Host names with a single IP address:
ns53.worldnic.com points to 162.159.26.165
ns54.worldnic.com points to 162.159.27.8
Mail Servers
duosusa.com is handled by a single mail server, duosusa-com.mail.protection.outlook.com.
duosusa-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:c902::16, 2a01:111:f403:c946::7, 2a01:111:f403:f90d::, 52.101.11.17, 52.101.41.183, 52.101.50.13 and 52.101.194.17.