duo-e.com - robtex.com
duo-e.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=1774684267 | ||||||
MX for
duo-e.com |
Same first word
duo-e.com |
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●NSns2.xserver.jp2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●NSns3.xserver.jp2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●NSns4.xserver.jp2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●NSns5.xserver.jp2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●MXduo-e.com2016-12-16 → 2026-03-28 · 2 obs
● 2026-03-28 08:14:34
●A202.226.37.1922026-03-13 → 2026-03-28 · 3 obs
● 2026-03-13 23:31:50
● 2026-03-28 08:14:34
○A210.188.201.1922016-12-16 → 2017-07-09 · 4 obs
● 2017-07-09 06:46:40
○ 2026-03-13 23:31:50
○ 2026-03-28 08:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net... | - |
| duo-e.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.37.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duo-e.com (unsigned zone)
⏱️ Timing
Total: 980ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.192 |
| NS | 5 | ns5.xserver.jp, ns1.xserver.jp... |
| MX | 1 | duo-e.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv161.xserver.jp +a:duo-e.com |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
The mail server for duo-e.com is duo-e.com.
IP Addresses
duo-e.com points to a single IP address: 202.226.37.192.
Other host names such as esteem.jp, izumi-tax.com, xn--h6q72bg9o0tq.biz, itouta.net and attrection.com share IPs with duo-e.com.
Name Servers
duo-e.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
duo-e.com at least partially shares name servers with other domains, for example deatas.com, jttma.com, time-to-change1.net, yasu-tel.com and midorino-hp.jp.
Three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247
One IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
One mail server handles duo-e.com; that server is duo-e.com.
duo-e.com points to a single IP number: 202.226.37.192.