office8.org - robtex.com
office8.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.72🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv271.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 ⚠️ Not in parent delegation | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | office8.org ⭐ | ||||||
| A | 183.90.231.72🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv271.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv271.xbiz.ne.jp +a:office8.org +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774506023 | ||||||
MX for
office8.org |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.xbiz.ne.jp2026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 06:49:10
●NSns2.xbiz.ne.jp2026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 06:49:10
●NSns3.xbiz.ne.jp2026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 06:49:10
●MXoffice8.org2026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 06:49:10
●A183.90.231.722026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 06:49:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| office8.org | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp | - |
✅ Authoritative Response
Server:35.76.79.244
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for office8.org (unsigned zone)
⏱️ Timing
Total: 1176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.72 |
| NS | 3 | ns2.xbiz.ne.jp, ns1.xbiz.ne.jp... |
| MX | 1 | office8.org (pri: 0) |
| TXT | 1 | v=spf1 +a:sv271.xbiz.ne.jp +a:office8.or |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
Analysis
Mail Server Role
office8.org serves as a mail server for office8.org.
IP Addresses
office8.org points to a single IP: 183.90.231.72.
Other host names, for instance kobewedding.jp, www.sola-resort.com, dp-sol.co.jp, jccca.org and dfv.co.jp share IP numbers with office8.org.
Name Servers
office8.org is delegated to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
office8.org partially shares name servers with other domains; examples include annou-kurobuta.com, bird-re.com, ropeway.co.jp, wilby.co.jp and hofactory.com.
Host names with one IP number:
Host ns1.xbiz.ne.jp points to 157.112.182.247.
Host ns2.xbiz.ne.jp points to 35.76.79.244.
Host ns3.xbiz.ne.jp points to 157.112.191.237.
Mail Servers
office8.org is handled by a single mail server, office8.org.
office8.org points to a single IP: 183.90.231.72.