kyulearn.net - robtex.com
kyulearn.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2401:2500:204:1152:133:125:56:168🇯🇵 SAKURA-A2401:2500::/32 (ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | 133.125.56.168.v6.sakura.ne.jp | ||||||
| A | 133.125.56.168🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| NS | ns1.j-dns.jp ⭐ | ||||||
| A | 13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix | ||||||
| PTR | sv01.j-dns.jp | ||||||
| NS | ns2.j-dns.jp | ||||||
| A | 3.1.199.252🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix | ||||||
| PTR | ns2.j-dns.jp | ||||||
| NS | ns3.j-dns.jp | ||||||
| A | 13.114.131.61🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-13-114-131-61.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns4.j-dns.jp | ||||||
| A | 100.20.49.22🇺🇸 Amazon100.20.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-100-20-49-22.us-west-2.compute.amazonaws.com | ||||||
| MX | kyulearn.net ⭐ | ||||||
| A | 2401:2500:204:1152:133:125:56:168🇯🇵 SAKURA-A2401:2500::/32 (ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | 133.125.56.168.v6.sakura.ne.jp | ||||||
| A | 133.125.56.168🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ik1-446-55164.vs.sakura.ne.jp | ||||||
| TXT | google-site-verification=pq7LXPG86PD5bjtag9UdJrWyV4cSfi84n3t32ADlXr4 | ||||||
| TXT | v=spf1 mx a ip4:133.167.116.23 ip6:2403:3a00:202:1923:133:167:116:23 include:... | ||||||
| SOA | ns1.j-dns.jproot@sv01.j-dns.jp 2025-03-28 #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=1774614842 | ||||||
MX for
kyulearn.net |
Same first word
kyulearn.net |
Similar names
DNS History
7 records (7 active, 0 former)
●MXkyulearn.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 12:46:18
●A133.125.56.1682026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 12:46:18
●A2401:2500:204:1152:133:125:56:1682026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 12:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net... | - |
| kyulearn.net | ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp, ns4.j-dns.jp | - |
✅ Authoritative Response
Server:100.20.49.22
NS records: ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp, ns4.j-dns.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kyulearn.net (unsigned zone)
⏱️ Timing
Total: 1525ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.125.56.168 |
| AAAA | 1 | 2401:2500:204:1152:133:125:56:168 |
| NS | 4 | ns4.j-dns.jp, ns2.j-dns.jp... |
| MX | 1 | kyulearn.net (pri: 1) |
| TXT | 2 | v=spf1 mx a ip4:133.167.116.23 ip6:2403:, google-site-verification=pq7LXPG86PD5bjt |
| SOA | 1 | ns1.j-dns.jp root.sv01.j-dns.jp |
Analysis
Mail Server Role
kyulearn.net serves as a mail server for kyulearn.net.
IP Addresses
kyulearn.net points to two IP numbers: 2401:2500:204:1152:133:125:56:168 and 133.125.56.168.
Other host names, for instance 133.125.56.168.v6.sakura.ne.jp, readingon.net and ik1-446-55164.vs.sakura.ne.jp share IP numbers with kyulearn.net.
Name Servers
kyulearn.net is delegated to four name servers: ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp and ns4.j-dns.jp.
kyulearn.net at least partially shares its name servers with other domains, for instance judogear.jp, studio3507.jp, anvilgroup.co.jp, mu-tsushin.jp and fujiandme.com.
Host names with one IP number: ns1.j-dns.jp points to 13.231.14.237; ns2.j-dns.jp points to 3.1.199.252; ns3.j-dns.jp points to 13.114.131.61; ns4.j-dns.jp points to 100.20.49.22.
Mail Servers
kyulearn.net is handled by a single mail server.
Hostname kyulearn.net resolves to two IPs: 2401:2500:204:1152:133:125:56:168 and 133.125.56.168.