do-tetsu.com - robtex.com
do-tetsu.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=1776078862 | ||||||
MX for
do-tetsu.com |
Same first word
do-tetsu.com |
Similar names
DNS History
11 records (7 active, 4 former)
●NSns1.xserver.jp2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
●NSns2.xserver.jp2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
●NSns3.xserver.jp2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
●NSns4.xserver.jp2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
○NSns5.sphere.ad.jp2015-05-09 → 2017-02-09 · 4 obs
● 2017-02-09 04:26:20
○ 2026-02-26 00:52:26
○ 2026-04-13 11:38:50
●NSns5.xserver.jp2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
○NSns6.sphere.ad.jp2015-05-09 → 2017-02-09 · 4 obs
● 2017-02-09 04:26:20
○ 2026-02-26 00:52:26
○ 2026-04-13 11:38:50
○MXa.mx.do-tetsu.com2015-05-09 → 2017-02-09 · 4 obs
● 2017-02-09 04:26:20
○ 2026-02-26 00:52:26
○ 2026-04-13 11:38:50
●MXdo-tetsu.com2026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
●A103.141.96.182026-02-26 → 2026-04-13 · 3 obs
● 2026-02-26 00:52:26
● 2026-04-13 11:38:50
○A210.150.1.1852015-05-09 → 2017-02-09 · 4 obs
● 2017-02-09 04:26:20
○ 2026-02-26 00:52:26
○ 2026-04-13 11:38:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| do-tetsu.com | ns1.xserver.jp, ns2.xserver.jp | - |
✅ Authoritative Response
Server:202.226.36.164
NS records: ns1.xserver.jp, ns2.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for do-tetsu.com (unsigned zone)
⏱️ Timing
Total: 1008ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.141.96.18 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | do-tetsu.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv10657.xserver.jp +a:do-tetsu |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
do-tetsu.com serves as the mail server for do-tetsu.com.
IP Addresses
do-tetsu.com points to IP number 103.141.96.18.
For instance, other host names pinkness-blog.com, primec.co.jp, 3hiro.jp, sansuisha.jp and sv10657.xserver.jp share IP numbers with do-tetsu.com.
Name Servers
do-tetsu.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
do-tetsu.com shares name servers with other domains at least partially, for example 1-dream.net, konanhsp.com, torii-gr.co.jp, consul.global and actoneage.com.
Host names with 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.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
do-tetsu.com is handled by a single mail server, do-tetsu.com.
do-tetsu.com points to a single IP: 103.141.96.18.