f-chord.com - robtex.com
f-chord.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 | ||||||
MX for
f-chord.com |
Same first word
f-chord.com |
DNS History
11 records (7 active, 4 former)
○NSns1.rocketnet.jp2015-05-19 → 2017-03-29 · 3 obs
● 2017-03-29 16:59:52
○ 2026-03-24 07:48:10
●NSns1.xserver.jp2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
○NSns2.rocketnet.jp2015-05-19 → 2017-03-29 · 3 obs
● 2017-03-29 16:59:52
○ 2026-03-24 07:48:10
●NSns2.xserver.jp2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
●NSns3.xserver.jp2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
●NSns4.xserver.jp2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
●NSns5.xserver.jp2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
○MXbs-mail-mta01.weblife.me2015-05-19 → 2017-03-29 · 3 obs
● 2017-03-29 16:59:52
○ 2026-03-24 07:48:10
○MXbs-mail-mta02.weblife.me2015-05-19 → 2017-03-29 · 3 obs
● 2017-03-29 16:59:52
○ 2026-03-24 07:48:10
●MXf-chord.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:48:10
●A103.141.96.1342026-03-24 → 2026-03-24 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| f-chord.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:35.72.43.26
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 f-chord.com (unsigned zone)
⏱️ Timing
Total: 2969ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.141.96.134 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | f-chord.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv10773.xserver.jp +a:f-chord. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
f-chord.com serves as a mail server for f-chord.com.
IP Addresses
f-chord.com points to a single IP: 103.141.96.134.
Other host names, for instance dns2.a-manager.com, a-manager.com, tomizu.ed.jp, sv10773.xserver.jp and hostmaster.eve-zeal.com share IP numbers with f-chord.com.
Name Servers
f-chord.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
f-chord.com partially shares name servers with other domains; examples include reiwabook.blog, tfg.co.jp, nakazato-const.com, mensbag.jp and pineboy.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
f-chord.com is handled by a single mail server, f-chord.com.
f-chord.com points to a single IP: 103.141.96.134.