tpc.ac.jp - robtex.com
tpc.ac.jp
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
WOT: SAFE (80/100)
Subdomains
www.tpc.ac.jp |
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NS03.dnsv.jp2026-06-22 → 2026-07-19 · 3 obs
● 2026-06-22 01:41:48
● 2026-07-19 21:22:00
●NS04.dnsv.jp2026-06-22 → 2026-07-19 · 3 obs
● 2026-06-22 01:41:48
● 2026-07-19 21:22:00
●MXalt1.aspmx.l.google.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXalt2.aspmx.l.google.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXaspmx.l.google.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXaspmx2.googlemail.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXaspmx3.googlemail.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXaspmx4.googlemail.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
●MXaspmx5.googlemail.com2015-08-08 → 2026-07-19 · 2 obs
● 2026-07-19 21:22:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| tpc.ac.jp | 01.dnsv.jp, 02.dnsv.jp | 3 records |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tpc.ac.jp (unsigned zone)
⏱️ Timing
Total: 1068ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 7 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)... |
| TXT | 3 | @ v=spf1 include:aspmx.googlemail.com ip, PqZmVHkc46h1XpctC0BvXoPZ1SJsCp... |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (01.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp)
Analysis
Hierarchy
www.tpc.ac.jp is a subdomain of tpc.ac.jp.
Name Servers
The NS records for tpc.ac.jp point to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of tpc.ac.jp overlap at least partially with those of other domains — among them pporabeheo.com, relais-france.com, telas.me and two more.
Host names that have two IP addresses:
01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.
Host names that point to one IP address:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
tpc.ac.jp has 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus 4 other.
There is at least a partial MX overlap between tpc.ac.jp and other domains, including weareform.com, allrb.net, istitutomoro.edu.it and two others.
These mail servers tend to appear in combination with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com maps to two IP addresses — 142.251.179.27 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1a IP addresses.
These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.