o-mac.com - dns.ninja
o-mac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.163.82🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1472.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 | o-mac.com ⭐ | ||||||
| A | 219.94.163.82🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1472.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1472.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-06-19 #0 | ||||||
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=1785541712 | ||||||
MX for
o-mac.com |
Subdomains
mail.o-mac.com |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXo-mac.com2015-08-18 → 2026-08-01 · 2 obs
● 2026-08-01 00:02:06
●A219.94.163.822015-08-18 → 2026-08-01 · 2 obs
● 2026-08-01 00:02:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| o-mac.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 o-mac.com (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.82 |
| NS | 2 | ns2.dns.ne.jp, ns1.dns.ne.jp |
| MX | 1 | o-mac.com (pri: 10) |
| TXT | 1 | v=spf1 a:www1472.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
mail.o-mac.com is delegated beneath o-mac.com.
Mail Server Role
o-mac.com handles its own mail, functioning as its own mail server.
IP Addresses
o-mac.com resolves to just one IP address, 219.94.163.82.
Two other host names, along with jshet.net, sakura-soken.com and aplsc.com, also share IP numbers with o-mac.com.
Name Servers
o-mac.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between o-mac.com and other domains — mobarasangyo.com, decouverte.jp, exe-yamamoto.sakura.ne.jp and two more among them.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: 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
o-mac.com is served by just one mail server: o-mac.com.
o-mac.com resolves to a single IP number: 219.94.163.82.