potest.co.jp - robtex.com
potest.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Previously MX for
Subdomains
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSns1.potest.co.jp2015-07-19 → 2026-07-19 · 2 obs
● 2026-07-19 21:12:16
●NSns2.potest.co.jp2017-11-09 → 2026-07-19 · 3 obs
● 2017-11-09 09:24:48
● 2026-07-19 21:12:16
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
●MXaspmx.l.google.com2026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
○MXmail.potest.co.jp2017-11-09 → 2017-11-09 · 4 obs
● 2017-11-09 09:24:48
○ 2026-05-01 13:58:36
○ 2026-07-19 21:12:16
○MXpotest.co.jp2015-10-13 → 2016-12-18 · 4 obs
● 2016-12-18 23:24:10
○ 2017-11-09 09:24:48
○ 2026-07-19 21:12:16
●A133.167.91.1762026-05-01 → 2026-07-19 · 3 obs
● 2026-05-01 13:58:36
● 2026-07-19 21:12:16
○A133.242.83.312017-11-09 → 2017-11-09 · 4 obs
● 2017-11-09 09:24:48
○ 2026-05-01 13:58:36
○ 2026-07-19 21:12:16
○A203.138.232.1552015-07-19 → 2016-12-18 · 4 obs
● 2016-12-18 23:24:10
○ 2017-11-09 09:24:48
○ 2026-07-19 21:12:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| potest.co.jp | ns2.potest.co.jp, ns1.potest.co.jp | 2 records |
✅ Authoritative Response
Server:133.167.91.176
NS records: ns2.potest.co.jp, ns1.potest.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for potest.co.jp (unsigned zone)
⏱️ Timing
Total: 951ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.91.176 |
| NS | 2 | ns2.potest.co.jp, ns1.potest.co.jp |
| MX | 5 | ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT4.ASPMX.L.GOOGLE.COM (pri: 10)... |
| TXT | 2 | google-site-verification=9rlbje73f6dMgtx, v=spf1 +ip4:133.167.91.176/32 +ip4:203.1 |
| SOA | 1 | ns1.potest.co.jp root.potest.co.jp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.potest.co.jp, ns2.potest.co.jp)
Analysis
Hierarchy
potest.co.jp is the parent domain of ns2.potest.co.jp and ns1.potest.co.jp.
IP Addresses
potest.co.jp points to a single IP number: 133.167.91.176.
Additional host names — ns1.imola.jp, ns1.potest.co.jp, imola.jp and two others — share IP numbers with potest.co.jp.
Name Servers
Two name servers handle the delegation for potest.co.jp: ns1.potest.co.jp and ns2.potest.co.jp.
potest.co.jp is at least partially co-delegated on name servers with other domains, such as imola.jp.
These name servers are routinely deployed together with the name servers ns2.imola.jp.
ns1.potest.co.jp directs to 133.167.91.176, as does ns2.potest.co.jp — both hostnames resolve to that one IP address.
ns1.potest.co.jp along with ns2.potest.co.jp each resolve to 133.167.91.176 IP addresses.
Mail Servers
potest.co.jp has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
potest.co.jp shares mail servers — at least in part — with other domains, including henriques.nu, ns500821.ns500795.ns500821.ns500795.ns500821.ns500794.ns500795.ns500795.ns500794.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, jollyfishpress.com and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com resolves to two addresses: 142.251.179.27 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.