usefulhp.com - robtex.com
usefulhp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.207.44🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3034.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 | usefulhp.com ⭐ | ||||||
| A | 49.212.207.44🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3034.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3034.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-09-19 #2 | ||||||
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=1775414277 | ||||||
MX for
usefulhp.com |
Same first word
usefulhp.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXusefulhp.com2026-02-27 → 2026-04-05 · 2 obs
● 2026-04-05 18:40:24
●A49.212.207.442026-02-27 → 2026-04-05 · 2 obs
● 2026-04-05 18:40:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net... | - |
| usefulhp.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usefulhp.com (unsigned zone)
⏱️ Timing
Total: 926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.207.44 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | usefulhp.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3034.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The mail server for usefulhp.com is usefulhp.com.
IP Addresses
usefulhp.com maps to IP address 49.212.207.44.
Other host names, for instance gakubo.com, kaminokawa-shokokai.net, dtxmania.net, touhokugiken.sakura.ne.jp and aimi.jp share IP numbers with usefulhp.com.
Name Servers
usefulhp.com is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
usefulhp.com at least partially shares name servers with other domains such as pen-online.sakura.ne.jp, visa-saitama.com, chopinist.net, minoura.org and u-ni-design.com.
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
One mail server serves usefulhp.com.
usefulhp.com points to one IP number: 49.212.207.44.