rtcss.org - robtex.com
rtcss.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2403:3a00:106:6:112:78:125:84🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www624b.sakura.ne.jp | ||||||
| A | 112.78.125.84🇯🇵 SAKURA-C112.78.112.0/20 (4/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 | rtcss.org ⭐ | ||||||
| A | 2403:3a00:106:6:112:78:125:84🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www624b.sakura.ne.jp | ||||||
| A | 112.78.125.84🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www624b.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www624b.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-04-01 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1790165770 | ||||||
MX for
rtcss.org |
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●MXrtcss.org2026-09-16 → 2026-09-23 · 2 obs
● 2026-09-23 12:54:12
●A112.78.125.842026-09-16 → 2026-09-23 · 2 obs
● 2026-09-23 12:54:12
●A2403:3a00:106:6:112:78:125:842026-09-16 → 2026-09-23 · 2 obs
● 2026-09-23 12:54:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| rtcss.org | ns2.dns.ne.jp, ns1.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcss.org (unsigned zone)
⏱️ Timing
Total: 1278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.78.125.84 |
| AAAA | 1 | 2403:3a00:106:6:112:78:125:84 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | rtcss.org (pri: 10) |
| TXT | 1 | v=spf1 a:www624b.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
rtcss.org serves as a mail server for rtcss.org.
IP Addresses
rtcss.org has two IP addresses: 112.78.125.84 and 2403:3a00:106:6:112:78:125:84
uizin.jp, kasamatsu-keiba.sakura.ne.jp, irifune-po.com plus two other host names have IP numbers in common with rtcss.org.
Name Servers
The authoritative name servers for rtcss.org are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
There is at least partial name server overlap between rtcss.org and other domains — platinum-rouen.com, ochiishi.jp, jyura.sakura.ne.jp and two more among them.
The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
rtcss.org uses exactly one mail server, which is rtcss.org.
rtcss.org carries two IP numbers: 112.78.125.84 and 2403:3a00:106:6:112:78:125:84.