753-office.com - robtex.com
753-office.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.163.199🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1559.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 | 753-office.com ⭐ | ||||||
| A | 219.94.163.199🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1559.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1559.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-05-16 #1 | ||||||
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=1774627822 | ||||||
MX for
753-office.com |
Same first word
753-office.com |
DNS History
5 records (5 active, 0 former)
●MX753-office.com2026-02-24 → 2026-03-27 · 2 obs
● 2026-03-27 16:16:14
●A219.94.163.1992026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 02:02:44
● 2026-03-27 16:16:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| 753-office.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 753-office.com (unsigned zone)
⏱️ Timing
Total: 751ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.199 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | 753-office.com (pri: 10) |
| TXT | 1 | v=spf1 a:www1559.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
753-office.com serves as the mail server for 753-office.com.
IP Addresses
753-office.com points to a single IP address: 219.94.163.199.
Other host names such as e-stag-e.co.jp, mtmr.jp, hide240.sakura.ne.jp, dudes.jp and hagio.net share IP numbers with 753-office.com.
Name Servers
753-office.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least part of the name servers for 753-office.com are shared with other domains, for instance yoshiyasu.jp, 9.3.1.0.6.2.1.0.3.5.1.0.5.0.0.3.2.0.1.0.0.0.5.2.1.0.4.2.ip6.arpa, yonezawa-anch.com, akiyama-print.com and s-sign.co.jp.
These name servers are commonly used alongside the name servers dns.sakura.ad.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
Mail for 753-office.com is handled by a single mail server, 753-office.com.
Host 753-office.com points to IP 219.94.163.199.