arm91.com - robtex.com
arm91.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.118.20🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | ns2.arm91.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 210.140.118.20🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | prvh2020.presinet.ne.jp | ||||||
| A | 210.140.118.20🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | prvh2020.ssl0001-presinet.ne.jp | ||||||
| A | 210.140.118.20🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| MX | mail.arm91.com ⭐ | ||||||
| A | 210.140.118.20🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| TXT | v=spf1 +a +mx +a:prvh2020.presinet.ne.jp -all | ||||||
| SOA | ns2.arm91.cominfo@presinet.ne.jp 2026-07-26 #2 | ||||||
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=1786720194 | ||||||
Previously MX for
arm91.com |
Subdomains
Same first word
arm91.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns2.arm91.com2026-07-08 → 2026-08-14 · 3 obs
● 2026-07-08 07:41:20
● 2026-08-14 15:16:36
○NSns5.irchatan.net2015-06-02 → 2016-04-13 · 4 obs
● 2016-04-13 11:02:58
○ 2026-07-08 07:41:20
○ 2026-08-14 15:16:36
○NSns6.irchatan.net2015-06-02 → 2016-04-13 · 4 obs
● 2016-04-13 11:02:58
○ 2026-07-08 07:41:20
○ 2026-08-14 15:16:36
●NSprvh2020.presinet.ne.jp2026-07-08 → 2026-08-14 · 3 obs
● 2026-07-08 07:41:20
● 2026-08-14 15:16:36
●NSprvh2020.ssl0001-presinet.ne.jp2026-07-08 → 2026-08-14 · 3 obs
● 2026-07-08 07:41:20
● 2026-08-14 15:16:36
○MXarm91.com2015-06-02 → 2016-04-13 · 4 obs
● 2016-04-13 11:02:58
○ 2026-07-08 07:41:20
○ 2026-08-14 15:16:36
●MXmail.arm91.com2026-07-08 → 2026-08-14 · 3 obs
● 2026-07-08 07:41:20
● 2026-08-14 15:16:36
○A178.63.101.662015-06-02 → 2016-04-13 · 4 obs
● 2016-04-13 11:02:58
○ 2017-04-27 16:29:52
○ 2026-08-14 15:16:36
●A210.140.118.202026-07-08 → 2026-08-14 · 3 obs
● 2026-07-08 07:41:20
● 2026-08-14 15:16:36
○A67.229.7.572017-04-27 → 2017-04-28 · 5 obs
● 2017-04-27 16:29:52
● 2017-04-28 20:03:58
○ 2026-07-08 07:41:20
○ 2026-08-14 15:16:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| arm91.com | prvh2020.presinet.ne.jp, prvh2020.ssl0001-presinet.ne.jp | - |
✅ Authoritative Response
Server:210.140.118.20
NS records: prvh2020.presinet.ne.jp, prvh2020.ssl0001-presinet.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for arm91.com (unsigned zone)
⏱️ Timing
Total: 1012ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.118.20 |
| NS | 3 | prvh2020.ssl0001-presinet.ne.jp, ns2.arm91.com... |
| MX | 1 | mail.arm91.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:prvh2020.presinet.ne.jp |
| SOA | 1 | ns2.arm91.com info.presinet.ne.jp |
Analysis
Hierarchy
ns2.arm91.com and mail.arm91.com are both subdomains of arm91.com.
IP Addresses
arm91.com resolves to one IP address: 210.140.118.20.
mail.arm91.com, ids-kobe.com, wata-rin.com and two other host names share IP numbers with arm91.com.
Name Servers
arm91.com carries NS records delegating to ns2.arm91.com, prvh2020.presinet.ne.jp and prvh2020.ssl0001-presinet.ne.jp.
At least some of arm91.com's name servers are shared with other domains, for example katayama-kensetsu.co.jp, hagino-seikotu.com, planz-akamatsu.com and two more.
These name servers tend to co-occur with ns2.katayama-kensetsu.co.jp, ns2.hagino-seikotu.com, ns2.planz-akamatsu.com and 3 other name servers in the same DNS delegations.
All three — ns2.arm91.com, prvh2020.presinet.ne.jp and prvh2020.ssl0001-presinet.ne.jp — point to 210.140.118.20 as their single IP address.
The host names ns2.arm91.com, prvh2020.presinet.ne.jp and prvh2020.ssl0001-presinet.ne.jp each resolve to 210.140.118.20.
Mail Servers
Mail for arm91.com is handled by a single mail server, mail.arm91.com.
mail.arm91.com carries a single IP number, which is 210.140.118.20.