readingroom.jp - robtex.com
readingroom.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.224.185.176🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2536.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 | readingroom.jp ⭐ | ||||||
| A | 210.224.185.176🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2536.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2536.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-08-21 #1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1773558003 | ||||||
MX for
readingroom.jp |
Subdomains
mail.readingroom.jp |
Same first word
readingroom.com |
readingroom.jp |
readingroom.co |
readingroom.org |
readingroom.me |
readingroom.ru |
readingroom.at |
DNS History
6 records (5 active, 1 former)
●MXreadingroom.jp2015-08-04 → 2026-03-21 · 2 obs
● 2026-03-21 10:46:44
○A202.181.99.772015-08-04 → 2017-06-10 · 4 obs
● 2017-06-10 13:47:14
○ 2026-02-16 07:58:28
○ 2026-03-21 10:46:44
●A210.224.185.1762026-02-16 → 2026-03-21 · 3 obs
● 2026-02-16 07:58:28
● 2026-03-21 10:46:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, f.dns.jp, c.dns.jp, b.dns.jp... | - |
| readingroom.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server: 61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for readingroom.jp (unsigned zone)
⏱️ Timing
Total: 1192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.224.185.176 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | readingroom.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2536.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
readingroom.jp is a parent of mail.readingroom.jp.
Mail Server Role
readingroom.jp serves as the mail server for readingroom.jp.
IP Addresses
readingroom.jp points to a single IP number: 210.224.185.176.
Other host names, for instance okayama-genki.net, xjm.jp, caresweb.net, plat-ease.co.jp and hanaboo.net share IP numbers with readingroom.jp.
Name Servers
The delegation for readingroom.jp is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
readingroom.jp at least partially shares name servers with other domains, for instance pincet.jp, ebookcat.net, kawanoyuji.com, amanodenso.com and e-ws.sakura.ne.jp.
Host names with one 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 readingroom.jp.
readingroom.jp points to a single IP: 210.224.185.176.