inter-brain.net - robtex.com
inter-brain.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2403:3a00:201:1e:49:212:207:68🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3058.sakura.ne.jp | ||||||
| A | 49.212.207.68🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | inter-brain.net ⭐ | ||||||
| A | 2403:3a00:201:1e:49:212:207:68🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3058.sakura.ne.jp | ||||||
| A | 49.212.207.68🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3058.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3058.sakura.ne.jp mx -all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-01-16 #1 | ||||||
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=1777305806 | ||||||
MX for
inter-brain.net |
Same first word
inter-brain.com |
inter-brain.net |
DNS History
6 records (6 active, 0 former)
●MXinter-brain.net2015-07-13 → 2026-04-27 · 2 obs
● 2026-04-27 16:12:10
●A2403:3a00:201:1e:49:212:207:682019-04-04 → 2026-04-27 · 3 obs
● 2019-04-04 07:26:28
● 2026-04-27 16:12:10
●A49.212.207.682015-07-13 → 2026-04-27 · 2 obs
● 2026-04-27 16:12:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| inter-brain.net | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for inter-brain.net (unsigned zone)
⏱️ Timing
Total: 968ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.207.68 |
| AAAA | 1 | 2403:3a00:201:1e:49:212:207:68 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | inter-brain.net (pri: 10) |
| TXT | 1 | v=spf1 a:www3058.sakura.ne.jp mx -all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
inter-brain.net serves as the mail server for inter-brain.net.
IP Addresses
inter-brain.net points to two IP numbers: 2403:3a00:201:1e:49:212:207:68 and 49.212.207.68.
Other host names, for instance marin.co.jp, auau1234.sakura.ne.jp, e-stu.com, kasuming.com and www3058.sakura.ne.jp share IP numbers with inter-brain.net.
Name Servers
The domain inter-brain.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
inter-brain.net shares name servers with other domains at least partially, for instance eestate.jp, all-hp.sakura.ne.jp, kyumintanpo.com, gynoid.co.jp and bitex.com.sg.
Host names with a single IP number:
master.dns.ne.jp points to 210.224.172.18.
ns1.dns.ne.jp points to 61.211.236.1.
ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
A single mail server handles inter-brain.net and inter-brain.net.
Host name inter-brain.net resolves to two IPs: 2403:3a00:201:1e:49:212:207:68 and 49.212.207.68.