k-brains.info - robtex.com
k-brains.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.152.149.250🇯🇵 IDC210.152.148.0/22 Frontier Inc. | ||||||
| PTR | vps-1067816-2123.cp.hosting-srv.net | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mail.k-brains.info ⭐ | ||||||
| A | 210.152.149.250🇯🇵 IDC210.152.148.0/22 Frontier Inc. | ||||||
| PTR | vps-1067816-2123.cp.hosting-srv.net | ||||||
| TXT | v=spf1 +a +mx -all +a:vps-1067816-2123.cp.hosting-srv.net | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1704942166 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1776179292 | ||||||
Subdomains
mail.k-brains.info |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NS01.dnsv.jp2026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
●NS02.dnsv.jp2026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
●NS03.dnsv.jp2026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
●NS04.dnsv.jp2026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
○NSns.k-brains.info2015-05-20 → 2017-08-29 · 4 obs
● 2017-08-29 07:50:28
○ 2026-02-17 15:07:10
○ 2026-04-14 15:35:58
○NSns2.k-brains.info2015-05-20 → 2017-08-29 · 4 obs
● 2017-08-29 07:50:28
○ 2026-02-17 15:07:10
○ 2026-04-14 15:35:58
●MXmail.k-brains.info2026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
○MXpop.k-brains.info2015-05-20 → 2017-08-29 · 4 obs
● 2017-08-29 07:50:28
○ 2026-02-17 15:07:10
○ 2026-04-14 15:35:58
○A103.241.129.1322015-05-20 → 2017-08-29 · 4 obs
● 2017-08-29 07:50:28
○ 2026-02-17 15:07:10
○ 2026-04-14 15:35:58
●A210.152.149.2502026-02-17 → 2026-04-14 · 3 obs
● 2026-02-17 15:07:10
● 2026-04-14 15:35:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| k-brains.info | 04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.33.53
NS records: 04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-brains.info (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.152.149.250 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.k-brains.info (pri: 10) |
| TXT | 1 | v=spf1 +a +mx -all +a:vps-1067816-2123.c |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
k-brains.info is parent of mail.k-brains.info.
IP Addresses
k-brains.info points to a single IP: 210.152.149.250.
Other host names, for instance ns2.sixthsenselab.jp, sixthsenselab.jp, vps-1067816-2123.cp.hosting-srv.net, mail.sixthsenselab.jp and ns1.sixthsenselab.jp share IP numbers with k-brains.info.
Name Servers
k-brains.info is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
k-brains.info at least partially shares its name servers with other domains, for instance cyber-mg.com, kobesu.com, yodobashi-yokohama.net, wwwanime.info and sg-w.net.
Two IPs per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
One IP per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
k-brains.info is served by a single mail server, mail.k-brains.info.
mail.k-brains.info points to IP number 210.152.149.250.