r-mu.com - robtex.com
r-mu.com
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=1785163957 | ||||||
Same first word
r-mu.com |
Similar names
DNS History
14 records (7 active, 7 former)
○NSdns1.onamae.com2026-03-10 → 2026-03-10 · 4 obs
● 2026-03-10 09:14:28
○ 2026-07-27 15:17:28
○ 2026-07-27 15:17:30
○NSdns2.onamae.com2026-03-10 → 2026-03-10 · 4 obs
● 2026-03-10 09:14:28
○ 2026-07-27 15:17:28
○ 2026-07-27 15:17:30
○NSns01.yahoodomains.jp2015-08-19 → 2017-04-22 · 4 obs
● 2017-04-22 10:25:24
○ 2026-03-10 09:14:28
○ 2026-07-27 15:17:30
○NSns02.yahoodomains.jp2015-08-19 → 2017-04-22 · 4 obs
● 2017-04-22 10:25:24
○ 2026-03-10 09:14:28
○ 2026-07-27 15:17:30
●NSns1.xserver.jp2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
●NSns2.xserver.jp2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
●NSns3.xserver.jp2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
●NSns4.xserver.jp2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
●NSns5.xserver.jp2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
○MXmailt.do-reg.jp2015-08-19 → 2017-04-22 · 4 obs
● 2017-04-22 10:25:24
○ 2026-03-10 09:14:28
○ 2026-07-27 15:17:30
●MXr-mu.com2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
○A150.95.255.382026-03-10 → 2026-07-27 · 2 obs
○ 2026-07-27 15:17:30
●A183.90.241.1592026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 15:17:28
● 2026-07-27 15:17:30
○A210.168.35.32015-08-19 → 2017-04-22 · 4 obs
● 2017-04-22 10:25:24
○ 2026-03-10 09:14:28
○ 2026-07-27 15:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net... | - |
| r-mu.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.39.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r-mu.com (unsigned zone)
⏱️ Timing
Total: 4058ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.241.159 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | r-mu.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv7638.xserver.jp +a:r-mu.com |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
IP Addresses
r-mu.com has exactly one IP address — 183.90.241.159.
lv-yokohama.com, nyujiin.gr.jp, mail.kanazawatofu.co.jp plus two other host names have IP numbers in common with r-mu.com.
Name Servers
Five name servers handle delegation for r-mu.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
r-mu.com has at least partial name server overlap with other domains, such as dot-shot.com, johnford.co.jp, paint-tohan.co.jp and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
r-mu.com uses exactly one mail server, which is r-mu.com.
r-mu.com points to one IP number — 183.90.241.159.