bvits.com - dns.ninja
bvits.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.bigvan.co.jp ⭐ | ||||||
| A | 210.143.104.142🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox | ||||||
| PTR | ns.bigvan.co.jp | ||||||
| NS | 2nd.dnsv.jp | ||||||
| A | 2400:8500:1301:2611:1001::142🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| A | 163.44.76.142🇯🇵 GMO-INTERNET163.44.64.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 2nd.dnsv.jp | ||||||
| MX | mail2.bvits.com ⭐ | ||||||
| A | 210.166.222.59🇯🇵 PROX210.166.208.0/20 PNAP-TOK prox | ||||||
| PTR | mail2.bvits.com | ||||||
| MX | mail3.bvits.com(20) | ||||||
| A | 203.137.198.78🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | mail2.bvits.com | ||||||
| TXT | v=spf1 ip4:210.166.222.59 ip4:203.137.198.78 include:spf.besender.jp -all | ||||||
| TXT | google-site-verification=wNiReBUXIUSM3wx16yNWRLkJdB_e6ItpNSDu2tIWQ48 | ||||||
| SOA | ns.bigvan.co.jproot@bvits.com 2026-08-10 #0 | ||||||
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=1786924239 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NS01.dnsv.jp2015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 07:37:58
○ 2026-02-15 09:27:42
○ 2026-08-16 23:53:10
○NS02.dnsv.jp2015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 07:37:58
○ 2026-02-15 09:27:42
○ 2026-08-16 23:53:10
○NS03.dnsv.jp2015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 07:37:58
○ 2026-02-15 09:27:42
○ 2026-08-16 23:53:10
○NS04.dnsv.jp2015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 07:37:58
○ 2026-02-15 09:27:42
○ 2026-08-16 23:53:10
●NS2nd.dnsv.jp2026-02-15 → 2026-08-16 · 3 obs
● 2026-02-15 09:27:42
● 2026-08-16 23:53:10
●NSns.bigvan.co.jp2026-02-15 → 2026-08-16 · 3 obs
● 2026-02-15 09:27:42
● 2026-08-16 23:53:10
○MXmail.bvits.com2015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 07:37:58
○ 2026-02-15 09:27:42
○ 2026-08-16 23:53:10
●MXmail2.bvits.com2026-02-15 → 2026-08-16 · 3 obs
● 2026-02-15 09:27:42
● 2026-08-16 23:53:10
●MXmail3.bvits.com2026-02-15 → 2026-08-16 · 3 obs
● 2026-02-15 09:27:42
● 2026-08-16 23:53:10
○A210.146.10.332015-06-08 → 2026-02-15 · 4 obs
● 2026-02-15 09:27:42
○ 2026-02-19 03:51:32
○ 2026-08-16 23:53:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| bvits.com | 2nd.dnsv.jp, ns.bigvan.co.jp | - |
✅ Authoritative Response
Server:210.143.104.142
NS records: 2nd.dnsv.jp, ns.bigvan.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bvits.com (unsigned zone)
⏱️ Timing
Total: 919ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.bigvan.co.jp, 2nd.dnsv.jp |
| MX | 2 | mail2.bvits.com (pri: 10), mail3.bvits.com (pri: 20) |
| TXT | 2 | google-site-verification=wNiReBUXIUSM3wx, v=spf1 ip4:210.166.222.59 ip4:203.137.19 |
| SOA | 1 | ns.bigvan.co.jp root.bvits.com |
Analysis
Hierarchy
bvits.com has five child domains: mail3.bvits.com, www.bvits.com, u-tokyo.bvits.com, hokudai.bvits.com and mail2.bvits.com.
Name Servers
The NS records for bvits.com delegate to 2nd.dnsv.jp and ns.bigvan.co.jp.
There is at least partial name server overlap between bvits.com and other domains — medihome.co.jp, attochintai.com, sonogo.jp and two more among them.
These name servers regularly appear alongside dns01.klink.co.jp, eri.steel-communications.net, rira.steel-communications.net and 5 other name servers in NS record sets.
Host names with two IP numbers:
The A records for 2nd.dnsv.jp return 163.44.76.142 and 2400:8500:1301:2611:1001::142.
Host names pointing to a single IP address:
ns.bigvan.co.jp resolves to the IP address 210.143.104.142.
Mail Servers
bvits.com has two mail servers: mail2.bvits.com and mail3.bvits.com.
mail2.bvits.com → 210.166.222.59 and mail3.bvits.com → 203.137.198.78: one IP number per host name.