seibokyo.com - robtex.com
seibokyo.com
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=1774627822 | ||||||
MX for
seibokyo.com |
Same first word
seibokyo.com |
Similar names
DNS History
11 records (7 active, 4 former)
○NSmaster.dns.ne.jp2015-06-29 → 2018-08-29 · 3 obs
● 2018-08-29 02:27:00
○ 2026-03-27 16:15:28
○NSns1.dns.ne.jp2015-06-29 → 2018-08-29 · 3 obs
● 2018-08-29 02:27:00
○ 2026-03-27 16:15:28
●NSns1.xserver.jp2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
○NSns2.dns.ne.jp2015-06-29 → 2018-08-29 · 3 obs
● 2018-08-29 02:27:00
○ 2026-03-27 16:15:28
●NSns2.xserver.jp2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
●NSns3.xserver.jp2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
●NSns4.xserver.jp2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
●NSns5.xserver.jp2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
●MXseibokyo.com2015-06-29 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
●A183.90.237.242026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 16:15:28
○A49.212.180.1452015-06-29 → 2018-08-29 · 3 obs
● 2018-08-29 02:27:00
○ 2026-03-27 16:15:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| seibokyo.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seibokyo.com (unsigned zone)
⏱️ Timing
Total: 3449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.237.24 |
| NS | 5 | ns5.xserver.jp, ns1.xserver.jp... |
| MX | 1 | seibokyo.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv7183.xserver.jp +a:seibokyo. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
The mail server for seibokyo.com is seibokyo.com.
IP Addresses
seibokyo.com maps to IP address 183.90.237.24.
Other host names, for instance sv7183.xserver.jp, dialex.co.jp, mail.bengoshisagashi.com, ns.e-trust.ne.jp and hotokesama.net share IP numbers with seibokyo.com.
Name Servers
seibokyo.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
seibokyo.com at least partially shares name servers with other domains such as fujisaki-usaji.com, xn--kzw51ou4apyu.com, modena.co.jp, u-kenchiku.com and hattendo-village.jp.
Host names with three IPs
Host ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246
Host ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247
Host ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247
Host names with one IP
Host ns2.xserver.jp points to 35.72.43.26
Host ns3.xserver.jp points to 202.226.36.247
Mail Servers
One mail server serves seibokyo.com.
seibokyo.com points to one IP number: 183.90.237.24.