single40.com - robtex.com
single40.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=1778377041 | ||||||
MX for
single40.com |
Same first word
single40.com |
DNS History
11 records (7 active, 4 former)
○NSns1.webmailer.de2007-11-15 → 2007-11-15 · 3 obs
○ 2015-10-29 18:00:32
○ 2026-05-10 01:45:32
●NSns1.xserver.jp2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
○NSns2.webmailer.de2007-11-15 → 2007-11-15 · 3 obs
○ 2015-10-29 18:00:32
○ 2026-05-10 01:45:32
●NSns2.xserver.jp2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
●NSns3.xserver.jp2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
●NSns4.xserver.jp2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
●NSns5.xserver.jp2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
○MXmailin.webmailer.de2007-11-15 → 2007-11-15 · 3 obs
○ 2015-10-29 18:00:32
○ 2026-05-10 01:45:32
●MXsingle40.com2026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
●A183.90.240.302026-03-23 → 2026-05-10 · 3 obs
● 2026-03-23 12:17:20
● 2026-05-10 01:45:32
○A192.67.198.552007-11-15 → 2007-11-15 · 3 obs
○ 2015-10-29 18:00:32
○ 2026-05-10 01:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| single40.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.164
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 single40.com (unsigned zone)
⏱️ Timing
Total: 1127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.240.30 |
| NS | 5 | ns1.xserver.jp, ns4.xserver.jp... |
| MX | 1 | single40.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv2229.xserver.jp +a:single40. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
For single40.com, the mail server is single40.com.
IP Addresses
single40.com points to a single IP number: 183.90.240.30.
other host names for instance ssijapan.com, do(0x73686974)e.net, trendersnet.com, ecoral-jpn.com and h-dream.co.jp share IP numbers with single40.com.
Name Servers
single40.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
single40.com at least partially shares name servers with other domains, for instance hanee.net, tokuna.jp, shinsei-fukuoka.co.jp, sanshiro.xsrv.jp and nyudou.com.
Host names with three IP numbers
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
One mail server handles single40.com.
Host name single40.com points to IP address 183.90.240.30.