r-osk.com - robtex.com
r-osk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.79🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2169.sakura.ne.jp | ||||||
| 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 | r-osk.com ⭐ | ||||||
| A | 182.48.49.79🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2169.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2169.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-09-28 #15 | ||||||
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=1776888782 | ||||||
MX for
r-osk.com |
Same first word
r-osk.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXr-osk.com2017-09-29 → 2026-04-22 · 2 obs
● 2026-04-22 20:38:30
●A182.48.49.792017-09-29 → 2026-04-22 · 2 obs
● 2026-04-22 20:38:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| r-osk.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r-osk.com (unsigned zone)
⏱️ Timing
Total: 1014ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.48.49.79 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | r-osk.com (pri: 10) |
| TXT | 1 | v=spf1 a:www2169.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
r-osk.com serves as the mail server for r-osk.com.
IP Addresses
r-osk.com points to IP number: 182.48.49.79.
Other host names such as towada.jp, qdentravel.com, elmontejapan.sakura.ne.jp, east-age.co.jp and yabeck.com share IPs with r-osk.com.
Name Servers
r-osk.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
r-osk.com at least partially shares name servers with other domains, for instance big-tree.jp, ramuda.sakura.ne.jp, hamada-lab.com, sy-sato-cl.com and gbiot.net.
Host names with a single IP:
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
r-osk.com is handled by a single mail server, r-osk.com.
r-osk.com points to a single IP: 182.48.49.79.