sertec.co.jp - robtex.com
sertec.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.123.7.84🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K. | ||||||
| PTR | sv119.wadax-sv.jp | ||||||
| NS | sv119.wadax-sv.jp ⭐ | ||||||
| A | 153.123.7.84🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K. | ||||||
| PTR | sv119.wadax-sv.jp | ||||||
| NS | nssv101.wadax-sv.jp | ||||||
| A | 202.234.155.198🇯🇵 IDC202.234.155.0/24 Frontier Inc. | ||||||
| MX | sva105.wadax-sv.jp ⭐ | ||||||
| A | 153.123.7.22🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K. | ||||||
| PTR | sva105.wadax-sv.jp | ||||||
| TXT | v=spf1 +ip4:153.123.7.84 +include:_spf-sd.wadax-sv.jp ~all | ||||||
| SOA | sv119.wadax-sv.jppostmaster@sertec.co.jp 2023-11-14 #2 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSnssv101.wadax-sv.jp2026-05-11 → 2026-07-12 · 2 obs
● 2026-07-12 23:25:10
●NSsv119.wadax-sv.jp2026-05-11 → 2026-07-12 · 2 obs
● 2026-07-12 23:25:10
●MXsva105.wadax-sv.jp2026-05-11 → 2026-07-12 · 2 obs
● 2026-07-12 23:25:10
●A153.123.7.842026-05-11 → 2026-07-12 · 2 obs
● 2026-07-12 23:25:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sertec.co.jp | nssv101.wadax-sv.jp, sv119.wadax-sv.jp | - |
✅ Authoritative Response
Server:153.123.7.84
NS records: nssv101.wadax-sv.jp, sv119.wadax-sv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sertec.co.jp (unsigned zone)
⏱️ Timing
Total: 1342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.123.7.84 |
| NS | 2 | sv119.wadax-sv.jp, nssv101.wadax-sv.jp |
| MX | 1 | sva105.wadax-sv.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:153.123.7.84 +include:_spf-s |
| SOA | 1 | sv119.wadax-sv.jp postmaster.sertec.co.j |
Analysis
IP Addresses
sertec.co.jp has exactly one IP address — 153.123.7.84.
chayudo.jp, monolab.jp, gatewex.com plus two other host names have IP numbers in common with sertec.co.jp.
Name Servers
sertec.co.jp is served by two delegated name servers, nssv101.wadax-sv.jp and sv119.wadax-sv.jp.
The name server configuration of sertec.co.jp is shared with other domains, for instance glovekarate.jp, shinko-technical.co.jp, esta.tv and two others.
At least some of sertec.co.jp's name servers are shared with other domains, for example aston-japan.com, kakinohasushi.co.jp, youmeikai.jp and two more.
These name servers tend to co-occur with sv105.wadax-sv.jp, sv112.wadax-sv.jp, sv122.wadax-sv.jp and 7 other name servers in the same DNS delegations.
Each of nssv101.wadax-sv.jp and sv119.wadax-sv.jp has one IP address: nssv101.wadax-sv.jp uses 202.234.155.198 and sv119.wadax-sv.jp uses 153.123.7.84.
Mail Servers
sertec.co.jp uses one mail server — sva105.wadax-sv.jp.
The mail server setup of sertec.co.jp matches that of other domains such as chayudo.jp, takatafound.or.jp, fukumasubutudan.jp and two others.
There is one IP number for sva105.wadax-sv.jp: 153.123.7.22.