bi-su.net - robtex.com
bi-su.net
net
| 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=1780769551 | ||||||
Same first word
Similar names
i-sub.co.uk |
i-bus.be |
si-bu.cn |
ib-us.de |
u-bis.com |
si-bu.de |
i-bus.com.au |
i-ubs.com |
i-bus.jp |
i-bus.com |
i-bus.net |
sub-i.de |
i-bus.ru |
bi-us.com |
i-bus.de |
i-sub.com |
sbi-u.ac.jp |
i-sub.net |
DNS History
10 records (10 active, 0 former)
●NS03.dnsv.jp2026-03-27 → 2026-06-06 · 3 obs
● 2026-03-27 19:00:54
● 2026-06-06 18:20:14
●NS04.dnsv.jp2026-03-27 → 2026-06-06 · 3 obs
● 2026-03-27 19:00:54
● 2026-06-06 18:20:14
●MXalt1.aspmx.l.google.com2026-03-27 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
●MXalt2.aspmx.l.google.com2026-03-27 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
●MXaspmx.l.google.com2026-03-27 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
●MXaspmx2.googlemail.com2026-03-27 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
●MXaspmx3.googlemail.com2026-03-27 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
●A133.242.197.1232015-08-05 → 2026-06-06 · 2 obs
● 2026-06-06 18:20:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| bi-su.net | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bi-su.net (unsigned zone)
⏱️ Timing
Total: 1077ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.197.123 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=ietgyDCEP0Ydpii, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
IP Addresses
bi-su.net has exactly one IP address — 133.242.197.123.
Name Servers
bi-su.net carries NS records pointing to 4 name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least some of bi-su.net's name servers are shared with other domains, for example partnersuccess.co.jp, simakoto.com, e-xtreme.co.jp and two more.
Host names pointing to 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 with one IP number:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
Mail for bi-su.net is routed through 5 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by bi-su.net are shared with other domains: atensis.se, christopherwiezorek.com, oto.work and two others among them.
It is common for these mail servers to be used in conjunction with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com, plus three others.
Host names pointing to 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::1a.
aspmx.l.google.com maps to two IP addresses — 142.251.167.27 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 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::1b.
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 — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.27 IP addresses.
These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.