cross.mas3.net - robtex.com
cross.mas3.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.180.43🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2633.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 ⚠️ Not in parent delegation | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 | cross.mas3.net ⭐ | ||||||
| A | 49.212.180.43🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2633.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2633.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-12-18 #22 | ||||||
mas3.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.180.43🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| MX | mas3-net.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms90952228 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-12-21 #28 | ||||||
MX for
cross.mas3.net |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXcross.mas3.net2026-03-20 → 2026-04-14 · 2 obs
● 2026-04-14 07:57:00
●A49.212.180.432026-03-20 → 2026-04-14 · 2 obs
● 2026-04-14 07:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| mas3.net | 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 mas3.net (unsigned zone)
⏱️ Timing
Total: 997ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.180.43 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | cross.mas3.net (pri: 10) |
| TXT | 1 | v=spf1 a:www2633.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
cross.mas3.net serves as the mail server for cross.mas3.net.
IP Addresses
cross.mas3.net resolves to a single IP address: 49.212.180.43.
Other host names including fukuroda-foods.com, ikuseikai.sakura.ne.jp, www2633.sakura.ne.jp, cg-grasp.com and matoinoba.biz share IP numbers with cross.mas3.net.
Name Servers
cross.mas3.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
cross.mas3.net at least partially shares name servers with other domains, including sakawa.info, 6.125.133.in-addr.arpa, hachiko73.co.jp, nishiyama-naika.com and itabashi-clinic.jp.
These name servers are often used together with dns.sakura.ad.jp.
Hostnames 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
A single mail server handles cross.mas3.net.
cross.mas3.net points to a single IP: 49.212.180.43.