session17.com - dns.ninja
session17.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.210.41🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv860.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 | session17.com ⭐ | ||||||
| A | 85.131.210.41🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv860.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv860.xbiz.ne.jp +a:session17.com +mx include:spf.sender.xserver.jp... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
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=1782746476 | ||||||
MX for
session17.com |
Same first word
session17.com |
DNS History
13 records (5 active, 8 former)
○NSns1.jimdo.com2017-10-13 → 2017-10-13 · 4 obs
● 2017-10-13 07:39:34
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
○NSns1.rcahost.net2008-03-20 → 2008-03-20 · 3 obs
○ 2015-10-18 22:11:22
○ 2026-06-29 15:42:10
●NSns1.xbiz.ne.jp2026-03-21 → 2026-06-29 · 3 obs
● 2026-03-21 11:10:10
● 2026-06-29 15:42:10
○NSns2.jimdo.com2017-10-13 → 2017-10-13 · 4 obs
● 2017-10-13 07:39:34
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
○NSns2.rcahost.net2008-03-20 → 2008-03-20 · 3 obs
○ 2015-10-18 22:11:22
○ 2026-06-29 15:42:10
●NSns2.xbiz.ne.jp2026-03-21 → 2026-06-29 · 3 obs
● 2026-03-21 11:10:10
● 2026-06-29 15:42:10
●NSns3.xbiz.ne.jp2026-03-21 → 2026-06-29 · 3 obs
● 2026-03-21 11:10:10
● 2026-06-29 15:42:10
○MXmx1.jimdo.com2017-10-13 → 2017-10-13 · 3 obs
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
○MXmx2.jimdo.com2017-10-13 → 2017-10-13 · 3 obs
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
●MXsession17.com2026-03-21 → 2026-06-29 · 3 obs
● 2026-03-21 11:10:10
● 2026-06-29 15:42:10
○A52.212.145.982017-10-13 → 2017-10-13 · 3 obs
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
○A52.213.24.132017-10-13 → 2017-10-13 · 3 obs
○ 2026-03-21 11:10:10
○ 2026-06-29 15:42:10
●A85.131.210.412026-03-21 → 2026-06-29 · 3 obs
● 2026-03-21 11:10:10
● 2026-06-29 15:42:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| session17.com | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | - |
✅ 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 session17.com (unsigned zone)
⏱️ Timing
Total: 1048ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.210.41 |
| NS | 3 | ns2.xbiz.ne.jp, ns3.xbiz.ne.jp... |
| MX | 1 | session17.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv860.xbiz.ne.jp +a:session17. |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
Analysis
Mail Server Role
The MX record for session17.com points back to session17.com — it is its own mail server.
IP Addresses
session17.com directs to one IP number, which is 85.131.210.41.
Among the host names that share IP numbers with session17.com are www.hashi-net.com, ap-tonamino.jp, sv860.xbiz.ne.jp and two others.
Name Servers
session17.com carries NS records delegating to ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
At least some of session17.com's name servers are shared with other domains, for example zeeboon.co.jp, fudousan-tool.com, sme-sr.com and two more.
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 — each hostname maps to exactly one IP address.
Mail Servers
The MX record for session17.com points to a single mail server: session17.com.
session17.com carries a single IP number, which is 85.131.210.41.