ravco.jp - robtex.com
ravco.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.235.9🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv148.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | ravco.jp ⭐ | ||||||
| A | 183.90.235.9🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv148.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv148.xbiz.ne.jp +a:ravco.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
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=1778401802 | ||||||
MX for
ravco.jp |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSmaster.dns.ne.jp2015-08-19 → 2017-08-16 · 4 obs
● 2017-08-16 23:22:42
○ 2021-10-09 23:27:16
○ 2026-05-10 09:06:04
○NSns1.dns.ne.jp2015-08-19 → 2017-08-16 · 4 obs
● 2017-08-16 23:22:42
○ 2021-10-09 23:27:16
○ 2026-05-10 09:06:04
●NSns1.xbiz.ne.jp2021-10-09 → 2026-05-10 · 3 obs
● 2021-10-09 23:27:16
● 2026-05-10 09:06:04
○NSns2.dns.ne.jp2015-08-19 → 2017-08-16 · 4 obs
● 2017-08-16 23:22:42
○ 2021-10-09 23:27:16
○ 2026-05-10 09:06:04
●NSns2.xbiz.ne.jp2021-10-09 → 2026-05-10 · 3 obs
● 2021-10-09 23:27:16
● 2026-05-10 09:06:04
●NSns3.xbiz.ne.jp2021-10-09 → 2026-05-10 · 3 obs
● 2021-10-09 23:27:16
● 2026-05-10 09:06:04
●MXravco.jp2015-08-19 → 2026-05-10 · 2 obs
● 2026-05-10 09:06:04
●A183.90.235.92021-10-09 → 2026-05-10 · 3 obs
● 2021-10-09 23:27:16
● 2026-05-10 09:06:04
○A219.94.180.1542015-08-19 → 2017-08-16 · 4 obs
● 2017-08-16 23:22:42
○ 2021-10-09 23:27:16
○ 2026-05-10 09:06:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| ravco.jp | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.182.247
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ravco.jp (unsigned zone)
⏱️ Timing
Total: 1024ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.235.9 |
| NS | 3 | ns1.xbiz.ne.jp, ns3.xbiz.ne.jp... |
| MX | 1 | ravco.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv148.xbiz.ne.jp +a:ravco.jp + |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)
Analysis
Mail Server Role
ravco.jp serves as the mail server for ravco.jp.
IP Addresses
ravco.jp points to IP number: 183.90.235.9.
Other host names such as jl-service.com, karano.jp, www.kosei-kai.or.jp, www.ibc-rk.org and kosei-kai.or.jp share IPs with ravco.jp.
Name Servers
ravco.jp is delegated to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
ravco.jp at least partially shares name servers with other domains, for instance takashimaya-rsr.jp, tokunaga1.com, mokkiten.com, japansake.or.jp and promojp.com.
Host names with a single IP:
ns1.xbiz.ne.jp points to: 157.112.182.247.
ns2.xbiz.ne.jp points to: 35.76.79.244.
ns3.xbiz.ne.jp points to: 157.112.191.237.
Mail Servers
ravco.jp is handled by a single mail server, ravco.jp.
ravco.jp points to a single IP: 183.90.235.9.