studay.info - dns.ninja
studay.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.151🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2911.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 | studay.info ⭐ | ||||||
| A | 49.212.198.151🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2911.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2013-01-24 #6 | ||||||
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=1782673882 | ||||||
MX for
studay.info |
Previously MX for
www.studay.info |
Subdomains
www.studay.info |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXstuday.info2015-06-14 → 2026-06-28 · 2 obs
● 2026-06-28 19:37:12
●A49.212.198.1512015-06-14 → 2026-06-28 · 2 obs
● 2026-06-28 19:37:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| studay.info | 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 studay.info (unsigned zone)
⏱️ Timing
Total: 751ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.151 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | studay.info (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
studay.info serves as the parent of www.studay.info.
Mail Server Role
studay.info serves as a mail server for studay.info.
IP Addresses
studay.info has exactly one IP address — 49.212.198.151.
naisu.sakura.ne.jp, nakajimakaori.sakura.ne.jp, massar.jp plus two other host names have IP numbers in common with studay.info.
Name Servers
Three name servers are authoritative for studay.info: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
studay.info has at least partial name server overlap with other domains, such as shiga.med.or.jp, cldj.jp, mixnet.jp and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
studay.info uses exactly one mail server, which is studay.info.
There is one IP number for studay.info: 49.212.198.151.