mailsmash.jp - robtex.com
mailsmash.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.191.237🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-132-72983.vs.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 | mailsmash.jp ⭐ | ||||||
| A | 133.242.191.237🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-132-72983.vs.sakura.ne.jp | ||||||
| TXT | v=spf1 ip4:133.242.191.237 ~all | ||||||
| TXT | _dmarc v=DMARC1; p=none; | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-08-13 #4 | ||||||
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=1776203102 | ||||||
MX for
mailsmash.jp |
Same first word
mailsmash.jp |
mailsmash.com |
Similar names
DNS History
10 records (5 active, 5 former)
○NSns.kagoya.net2015-07-19 → 2019-12-29 · 3 obs
● 2019-12-29 18:35:18
○ 2026-04-14 22:28:06
○NSns0.kagoya.net2015-07-19 → 2019-12-29 · 3 obs
● 2019-12-29 18:35:18
○ 2026-04-14 22:28:06
○NSns1.kagoya.net2015-07-19 → 2019-12-29 · 3 obs
● 2019-12-29 18:35:18
○ 2026-04-14 22:28:06
○MXmail.mailsmash.jp2015-07-19 → 2019-12-29 · 3 obs
● 2019-12-29 18:35:18
○ 2026-04-14 22:28:06
●MXmailsmash.jp2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:28:06
●A133.242.191.2372026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:28:06
○A153.127.248.1712015-07-19 → 2019-12-29 · 3 obs
● 2019-12-29 18:35:18
○ 2026-04-14 22:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| mailsmash.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 mailsmash.jp (unsigned zone)
⏱️ Timing
Total: 906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.191.237 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mailsmash.jp (pri: 10) |
| TXT | 2 | v=spf1 ip4:133.242.191.237 ~all, _dmarc v=DMARC1; p=none; |
| 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
Mail Server Role
mailsmash.jp is the mail server for mailsmash.jp.
IP Addresses
mailsmash.jp resolves to a single IP: 133.242.191.237.
Other host names share IP numbers with mailsmash.jp; for instance ik1-132-72983.vs.sakura.ne.jp.
Name Servers
mailsmash.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mailsmash.jp shares some name servers with other domains, for example niwabunko.com, jtpbenri.com, ifnix.com, dynatron.sakura.ne.jp and fumido.co.jp.
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 handles mailsmash.jp.
Host name mailsmash.jp points to IP 133.242.191.237.