seweb.co.jp - robtex.com
seweb.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.218.203.219🇯🇵 IDC202.218.128.0/17 Frontier Inc. | ||||||
| NS | sv.seweb.co.jp ⭐ | ||||||
| A | 202.218.203.219🇯🇵 IDC202.218.128.0/17 Frontier Inc. | ||||||
| NS | ns.at-link.ad.jp | ||||||
| A | 210.239.46.2🇯🇵 IDC210.239.32.0/19 | ||||||
| PTR | ns.at-link.ad.jp | ||||||
| MX | sv.seweb.co.jp ⭐ | ||||||
| A | 202.218.203.219🇯🇵 IDC202.218.128.0/17 Frontier Inc. | ||||||
| TXT | v=spf1 a:sv.seweb.co.jp | ||||||
| TXT | google-site-verification=bibWowavMtcOZFFeE8eqXaJ7LhvXckzOsrTocoO40lo | ||||||
| SOA | sv.seweb.co.jpt-saka(0x73686974)a@sd-works.jp 2026-05-31 #2 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
sv.seweb.co.jp |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns.at-link.ad.jp2015-08-25 → 2026-07-26 · 2 obs
● 2026-07-26 09:27:20
●NSsv.seweb.co.jp2015-08-25 → 2026-07-26 · 2 obs
● 2026-07-26 09:27:20
●MXsv.seweb.co.jp2026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 20:11:58
● 2026-07-26 09:27:20
○MXsv2.seweb.co.jp2015-08-25 → 2016-12-09 · 4 obs
● 2016-12-09 08:41:40
○ 2026-07-01 20:11:58
○ 2026-07-26 09:27:20
●A202.218.203.2192026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 20:11:58
● 2026-07-26 09:27:20
○A210.189.72.1212015-08-25 → 2016-12-09 · 4 obs
● 2016-12-09 08:41:40
○ 2026-07-01 20:11:58
○ 2026-07-26 09:27:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, e.dns.jp, a.dns.jp... | - |
| seweb.co.jp | ns.at-link.ad.jp, sv.seweb.co.jp | 2 records |
✅ Authoritative Response
Server:202.218.203.219
NS records: ns.at-link.ad.jp, sv.seweb.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seweb.co.jp (unsigned zone)
⏱️ Timing
Total: 1297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.218.203.219 |
| NS | 2 | sv.seweb.co.jp, ns.at-link.ad.jp |
| MX | 1 | sv.seweb.co.jp (pri: 10) |
| TXT | 2 | v=spf1 a:sv.seweb.co.jp, google-site-verification=bibWowavMtcOZFF |
| SOA | 1 | sv.seweb.co.jp t-saka(0x73686974)a.sd-works.jp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 1 (sv.seweb.co.jp)
Out-of-bailiwick: 1 (ns.at-link.ad.jp)
Analysis
Hierarchy
seweb.co.jp is a parent domain of sv.seweb.co.jp.
IP Addresses
seweb.co.jp directs to one IP number, which is 202.218.203.219.
Among the host names that share IP numbers with seweb.co.jp are sd-works.jp, sv.produce-d.jp, sv.thirdsix.jp and two others.
Name Servers
Two name servers handle the delegation for seweb.co.jp: ns.at-link.ad.jp and sv.seweb.co.jp.
seweb.co.jp shares at least some of its name servers with other domains, including ganjuu.or.jp, okican.jp, sams-okinawa.jp and two others.
These name servers are routinely co-deployed with the name servers ns.iamdn.co.jp, ns01.ddstd.co.jp, ns.justware.co.jp and two others.
ns.at-link.ad.jp and sv.seweb.co.jp each resolve to one IP number: ns.at-link.ad.jp points to 210.239.46.2 and sv.seweb.co.jp points to 202.218.203.219.
Mail Servers
seweb.co.jp routes its mail through a single mail server, sv.seweb.co.jp.
seweb.co.jp and domains like sv.seweb.co.jp share an identical mail server configuration.