19online.net - robtex.com
19online.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.162.90🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1280.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 | 19online.net ⭐ | ||||||
| A | 219.94.162.90🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1280.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1280.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-10-03 #2 | ||||||
net
| 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=1784920387 | ||||||
📈 Tranco rank: #747,389
MX for
19online.net |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-04-17 → 2026-07-24 · 3 obs
● 2026-04-17 01:06:20
● 2026-07-24 19:25:28
●NSns1.dns.ne.jp2026-04-17 → 2026-07-24 · 3 obs
● 2026-04-17 01:06:20
● 2026-07-24 19:25:28
○NSns1.manag.co.jp2015-08-27 → 2017-04-08 · 4 obs
● 2017-04-08 16:35:12
○ 2026-04-17 01:06:20
○ 2026-07-24 19:25:28
●NSns2.dns.ne.jp2026-04-17 → 2026-07-24 · 3 obs
● 2026-04-17 01:06:20
● 2026-07-24 19:25:28
○NSns2.manag.co.jp2015-08-27 → 2017-04-08 · 4 obs
● 2017-04-08 16:35:12
○ 2026-04-17 01:06:20
○ 2026-07-24 19:25:28
●MX19online.net2015-08-27 → 2026-07-24 · 2 obs
● 2026-07-24 19:25:28
○A202.218.50.2502015-08-27 → 2017-04-08 · 4 obs
● 2017-04-08 16:35:12
○ 2026-04-17 01:06:20
○ 2026-07-24 19:25:28
●A219.94.162.902026-04-17 → 2026-07-24 · 3 obs
● 2026-04-17 01:06:20
● 2026-07-24 19:25:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| 19online.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 19online.net (unsigned zone)
⏱️ Timing
Total: 1320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.162.90 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | 19online.net (pri: 10) |
| TXT | 1 | v=spf1 a:www1280.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
19online.net serves as a mail server for 19online.net.
IP Addresses
19online.net has exactly one IP address — 219.94.162.90.
co-lab.jp, seisen.info, www1280.sakura.ne.jp plus two other host names have IP numbers in common with 19online.net.
Name Servers
19online.net has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
19online.net has at least partial name server overlap with other domains, such as colu.jp, hazuki-ayano.sakura.ne.jp, dgr.jp and two others.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
19online.net uses exactly one mail server, which is 19online.net.
19online.net points to one IP number — 219.94.162.90.