clayheart.jp - robtex.com
clayheart.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.51.244.145🇯🇵 Amazon46.51.224.0/19 EC2 NRT prefix | ||||||
| PTR | ec2-46-51-244-145.ap-northeast-1.compute.amazonaws.com | ||||||
| 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 | mail.clayheart.jp ⭐ | ||||||
| A | 49.212.180.23🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2613.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2613.sakura.ne.jp mx ~all | ||||||
| TXT | google-site-verification=xQ3iZxDDjYKKKJsVY7BTo6rwHvNS2HyF39jV3oXiTcg | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-01-27 #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=1778734803 | ||||||
Previously MX for
clayheart.jp |
Subdomains
mail.clayheart.jp |
Same first word
clayheart.jp |
clayheart.sakura.ne.jp |
clayheart.com |
Similar names
DNS History
7 records (5 active, 2 former)
○MXclayheart.jp2015-08-23 → 2018-01-17 · 4 obs
● 2018-01-17 12:37:28
○ 2026-02-27 03:29:46
○ 2026-05-14 05:23:06
●MXmail.clayheart.jp2026-02-27 → 2026-05-14 · 3 obs
● 2026-02-27 03:29:46
● 2026-05-14 05:23:06
●A46.51.244.1452026-02-27 → 2026-05-14 · 3 obs
● 2026-02-27 03:29:46
● 2026-05-14 05:23:06
○A49.212.180.232015-08-23 → 2018-01-17 · 4 obs
● 2018-01-17 12:37:28
○ 2026-02-27 03:29:46
○ 2026-05-14 05:23:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, f.dns.jp, g.dns.jp, c.dns.jp... | - |
| clayheart.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ 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 clayheart.jp (unsigned zone)
⏱️ Timing
Total: 1763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.51.244.145 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.clayheart.jp (pri: 10) |
| TXT | 2 | v=spf1 a:www2613.sakura.ne.jp mx ~all, google-site-verification=xQ3iZxDDjYKKKJs |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Hierarchy
The parent of mail.clayheart.jp is clayheart.jp.
IP Addresses
clayheart.jp points to a single IP address: 46.51.244.145.
Other host names such as ohtaprecision.com, www.bigbulls.jp, japt.org, diverta.co.jp and lb.r-cms.jp share IPs with clayheart.jp.
Name Servers
clayheart.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
clayheart.jp at least partially shares name servers with other domains, for example mp-sabo.com, ex-semi.sakura.ne.jp, americangarage-fuji.com, sound-around.net and costoff.sakura.ne.jp.
these name servers are commonly used alongside dns.sakura.ad.jp name servers.
Host names with a single IP address:
master.dns.ne.jp resolves to 210.224.172.18.
ns1.dns.ne.jp resolves to 61.211.236.1.
ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The mail.clayheart.jp mail server handles clayheart.jp.
mail.clayheart.jp points to a single IP number: 49.212.180.23.