backman-u.com - robtex.com
backman-u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.118.76🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | prvh1026.presinet.ne.jp ⭐ | ||||||
| A | 210.140.118.76🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | ns2.backman-u.com | ||||||
| A | 210.140.118.76🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| MX | mail.backman-u.com ⭐ | ||||||
| A | 210.140.118.76🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| TXT | v=spf1 +a +mx +a:prvh1026.presinet.ne.jp -all | ||||||
| SOA | prvh1026.presinet.ne.jpinfo@presinet.ne.jp 2026-03-09 #7 | ||||||
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 | ||||||
Subdomains
Same first word
backman-u.com |
DNS History
8 records (4 active, 4 former)
○NSns.backman-u.com2017-12-05 → 2017-12-05 · 3 obs
○ 2026-03-02 18:40:18
○ 2026-03-23 14:39:46
○NSns1.backman-u.com2017-12-05 → 2017-12-05 · 3 obs
○ 2026-03-02 18:40:18
○ 2026-03-23 14:39:46
●NSns2.backman-u.com2017-12-05 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:46
●NSprvh1026.presinet.ne.jp2026-03-02 → 2026-03-23 · 3 obs
● 2026-03-02 18:40:18
● 2026-03-23 14:39:46
●MXmail.backman-u.com2017-12-05 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:46
○A119.75.238.262026-03-02 → 2026-03-02 · 4 obs
● 2026-03-02 18:40:18
○ 2026-03-12 12:28:52
○ 2026-03-23 14:39:46
○A203.137.113.1762017-12-05 → 2017-12-05 · 3 obs
○ 2026-03-02 18:40:18
○ 2026-03-23 14:39:46
●A210.140.118.762026-03-12 → 2026-03-23 · 3 obs
● 2026-03-12 12:28:52
● 2026-03-23 14:39:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| backman-u.com | prvh1026.presinet.ne.jp, ns2.backman-u.com | 1 record |
✅ Authoritative Response
Server:119.75.238.26
NS records: prvh1026.presinet.ne.jp, ns2.backman-u.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backman-u.com (unsigned zone)
⏱️ Timing
Total: 1126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.118.76 |
| NS | 2 | ns2.backman-u.com, prvh1026.presinet.ne.jp |
| MX | 1 | mail.backman-u.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:prvh1026.presinet.ne.jp |
| SOA | 1 | ns2.backman-u.com info.presinet.ne.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns2.backman-u.com)
Analysis
Hierarchy
backman-u.com is parent of ns2.backman-u.com and mail.backman-u.com.
IP Addresses
backman-u.com points to a single IP number: 210.140.118.76.
other host names for instance mail.teuchiudon-kunitarou.com, ns2.daitokoumuten.com, ns2.shoeistep.com, ns2.etto-hiroshima.com and mail.daitokoumuten.com share IP numbers with backman-u.com.
Name Servers
backman-u.com is delegated to two name servers: ns2.backman-u.com and prvh1026.presinet.ne.jp.
backman-u.com at least partially shares name servers with other domains, for instance km-tec.net, greenline-yuso.com, nextstage-sports.com, k-techno1024.co.jp and yu-kikensetsu.com.
These name servers are commonly used with the name servers ns2.km-tec.net, ns2.greenline-yuso.com, ns2.nextstage-sports.com, ns2.k-techno1024.co.jp, ns2.yu-kikensetsu.com, ns2.copain-sakura-kinosaki.com, ns2.asanokan.com, ns2.tukasakogyo.com and ns2.azeken.com.
Host names with a single IP number:
ns2.backman-u.com points to 210.140.118.76 and prvh1026.presinet.ne.jp points to 210.140.118.76.
Host names that point to 210.140.118.76: ns2.backman-u.com and prvh1026.presinet.ne.jp.
Mail Servers
backman-u.com is handled by a single mail server, mail.backman-u.com.
Host name mail.backman-u.com points to IP address 210.140.118.76.