plus-office.com - robtex.com
plus-office.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.do-reg.jp ⭐ | ||||||
| A | 203.183.220.201🇯🇵 IDC203.183.192.0/18 Frontier Inc. | ||||||
| NS | ns2.do-reg.jp | ||||||
| A | 203.137.197.45🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | 203-137-197-45.monstera.jp-west.compute.idcfcloud.net | ||||||
| MX | mails.plus-office.com ⭐ | ||||||
| A | 113.35.177.60🇯🇵 UCOM113.32.0.0/13 ARTERIA Networks Corporation(UCOM) | ||||||
| TXT | v=spf1 ip4:113.35.177.60 ip4:133.149.219.43 include:_spf.ktk-sol.co.jp includ... | ||||||
| SOA | NS1.DO-REG.JProot@PLUS-OFFICE.COM 2025-05-27 #1 | ||||||
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
mails.plus-office.com |
Same first word
plus-office.de |
plus-office.com |
plus-office.net |
plus-office.ru |
Similar names
office-plus.gr |
office-plus.com |
office-plus.de |
office-plus.ru |
office-plus.ro |
office-plus.fr |
office-plus.net |
office-plus.info |
office-plus.ch |
office-plus.ca |
DNS History
3 records (3 active, 0 former)
●MXmails.plus-office.com2015-08-18 → 2026-03-24 · 2 obs
● 2026-03-24 01:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| plus-office.com | ns1.do-reg.jp, ns2.do-reg.jp | - |
✅ Authoritative Response
Server:203.183.220.201
NS records: ns1.do-reg.jp, ns2.do-reg.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plus-office.com (unsigned zone)
⏱️ Timing
Total: 983ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | NS1.DO-REG.JP, NS2.DO-REG.JP |
| MX | 1 | MAILS.PLUS-OFFICE.COM (pri: 10) |
| TXT | 1 | v=spf1 ip4:113.35.177.60 ip4:133.149.219 |
| SOA | 1 | NS1.DO-REG.JP root.PLUS-OFFICE.COM |
Analysis
Hierarchy
plus-office.com is the parent of mails.plus-office.com.
Name Servers
plus-office.com is delegated to two name servers: ns1.do-reg.jp and ns2.do-reg.jp.
plus-office.com shares the same name server setup as other domains, for example burn-repair.jp, kuzira.jp, rhine-kawasaki.com, warmplus.jp and xcpt.jp.
plus-office.com partially shares name servers with other domains, for instance vsl-assoc.org, do-reg.jp and e-biotope.com.
Host names with one IP number:
The host ns1.do-reg.jp points to 203.183.220.201 and the host ns2.do-reg.jp points to 203.137.197.45.
Mail Servers
plus-office.com is handled by a single mail server, mails.plus-office.com.
Host name mails.plus-office.com points to IP address 113.35.177.60.