mubs.jp - robtex.com
mubs.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.235.21🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv160.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 | mubs.jp ⭐ | ||||||
| A | 183.90.235.21🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv160.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv160.xbiz.ne.jp +a:mubs.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| TXT | google-site-verification=bIdlu8TFF_bpytIPZOFD6iohtOkCNmtVzDQrdLURdWk | ||||||
| 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=1783233003 | ||||||
MX for
mubs.jp |
Same first word
mubs.at |
mubs.net |
mubs.net.au |
mubs.jp |
mubs.ac.ug |
mubs.workers.dev |
mubs.de |
mubs.mn |
mubs.it |
mubs.me |
mubs.com.sg |
mubs.com |
mubs.edu.lb |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.xbiz.ne.jp2026-04-20 → 2026-07-05 · 2 obs
● 2026-07-05 07:14:34
●NSns2.xbiz.ne.jp2026-04-20 → 2026-07-05 · 2 obs
● 2026-07-05 07:14:34
●NSns3.xbiz.ne.jp2026-04-20 → 2026-07-05 · 2 obs
● 2026-07-05 07:14:34
●MXmubs.jp2026-04-20 → 2026-07-05 · 2 obs
● 2026-07-05 07:14:34
●A183.90.235.212026-04-20 → 2026-07-05 · 2 obs
● 2026-07-05 07:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mubs.jp | ns2.xbiz.ne.jp, ns3.xbiz.ne.jp, ns1.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:35.76.79.244
NS records: ns2.xbiz.ne.jp, ns3.xbiz.ne.jp, ns1.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mubs.jp (unsigned zone)
⏱️ Timing
Total: 1056ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.235.21 |
| NS | 3 | ns1.xbiz.ne.jp, ns3.xbiz.ne.jp... |
| MX | 1 | mubs.jp (pri: 0) |
| TXT | 2 | v=spf1 +a:sv160.xbiz.ne.jp +a:mubs.jp +m, google-site-verification=bIdlu8TFF_bpytI |
| 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
mubs.jp acts as its own mail server.
IP Addresses
mubs.jp points to a single IP number: 183.90.235.21.
Additional host names — nrw.weblome.net, kurata.co.jp, soundproof.miki.co.jp and two others — share IP numbers with mubs.jp.
Name Servers
Three name servers are authoritative for mubs.jp: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
The name servers of mubs.jp overlap at least partially with those of other domains — among them granza.co.jp, udkya.com, sv533.com and two more.
Three hostnames, one IP address apiece: ns1.xbiz.ne.jp resolves to 157.112.182.247, ns2.xbiz.ne.jp resolves to 35.76.79.244 and ns3.xbiz.ne.jp resolves to 157.112.191.237.
Mail Servers
mubs.jp has a single mail server: mubs.jp itself.
There is one IP number for mubs.jp: 183.90.235.21.