bs1st.com - robtex.com
bs1st.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=1771291435 | ||||||
Previously MX for
bs1st.com |
Subdomains
mail.bs1st.com |
Same first word
bs1st.com |
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
●NSns2.xserver.jp2015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
●NSns3.xserver.jp2015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
●NSns4.xserver.jp2015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
●NSns5.xserver.jp2015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
○MXbs1st.com2015-06-27 → 2016-11-25 · 4 obs
● 2016-11-25 23:24:46
○ 2026-02-24 20:19:08
○ 2026-03-20 18:33:38
●MXmail.bs1st.com2026-02-24 → 2026-03-20 · 3 obs
● 2026-02-24 20:19:08
● 2026-03-20 18:33:38
●A157.112.189.202015-06-27 → 2026-03-20 · 2 obs
● 2026-03-20 18:33:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net... | - |
| bs1st.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server: 183.90.224.230
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 bs1st.com (unsigned zone)
⏱️ Timing
Total: 1651ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.189.20 |
| NS | 5 | ns5.xserver.jp, ns4.xserver.jp... |
| MX | 1 | mail.bs1st.com (pri: 10) |
| TXT | 2 | google-site-verification=cZP4UrxhmkIKlro, v=spf1 +a:sv1019.xserver.jp +a:bs1st.com |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Hierarchy
bs1st.com is a parent of mail.bs1st.com.
IP Addresses
bs1st.com points to a single IP address: 157.112.189.20.
Other host names such as ishikawago.com, ec-item.net, mail.bs1st.com, kamokai.com and www.scs-uda.com share IP numbers with bs1st.com.
Name Servers
bs1st.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
At least part of the name servers for bs1st.com are shared with other domains, for instance kanemasa-seika.com, bizcoach-academy.com, coqtez.com, 55link.com and e-natto.jp.
Host names with three IP numbers:
ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
The mail server for bs1st.com is mail.bs1st.com.
Host mail.bs1st.com points to IP 157.112.189.20.