port-sr.jp - robtex.com
port-sr.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.163.96🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1486.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 | port-sr.jp ⭐ | ||||||
| A | 219.94.163.96🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1486.sakura.ne.jp | ||||||
| TXT | MS=ms37199787 | ||||||
| TXT | v=spf1 a:www1486.sakura.ne.jp mx include:spf.protection.outlook.com ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-08-14 #2 | ||||||
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=1778332502 | ||||||
MX for
port-sr.jp |
Same first word
port-sr.jp |
Similar names
rts-pro.ru |
r-sport.cz |
rts-pro.de |
r-sport.at |
r-sport.com |
str-pro.com |
r-sport.eu |
r-sport.ch |
trs-pro.com |
pr-rost.ru |
rst-pro.ru |
r-sport.fr |
r-sport.org |
rs-port.com |
rr-tpos.com |
r-sport.de |
DNS History
6 records (5 active, 1 former)
●MXport-sr.jp2015-06-09 → 2026-05-09 · 2 obs
● 2026-05-09 13:34:00
○A112.78.112.142015-06-09 → 2017-05-16 · 4 obs
● 2017-05-16 21:59:56
○ 2026-03-01 00:52:00
○ 2026-05-09 13:34:00
●A219.94.163.962026-03-01 → 2026-05-09 · 3 obs
● 2026-03-01 00:52:00
● 2026-05-09 13:34:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| port-sr.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ 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 port-sr.jp (unsigned zone)
⏱️ Timing
Total: 911ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.96 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | port-sr.jp (pri: 10) |
| TXT | 2 | MS=ms37199787, v=spf1 a:www1486.sakura.ne.jp mx include |
| 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
port-sr.jp serves as the mail server for port-sr.jp.
IP Addresses
port-sr.jp points to a single IP address: 219.94.163.96.
Other host names such as todesking.com, c-green.jp, supinf.com, plot-office.com and fdo-ds.co.jp share IP numbers with port-sr.jp.
Name Servers
port-sr.jp 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 port-sr.jp are shared with other domains, for instance ojs.ac.jp, momoshi.sakura.ne.jp, nagayama-chicos.com, yasaisomurie.net and casacurare.com.
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 port-sr.jp is handled by a single mail server, port-sr.jp.
Host port-sr.jp points to IP 219.94.163.96.