ct-customer.com - robtex.com
ct-customer.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=1778356751 | ||||||
MX for
ct-customer.com |
Subdomains
sv.ct-customer.com |
Same first word
ct-customer.com |
DNS History
11 records (7 active, 4 former)
○NSns0.future-s.com2015-08-23 → 2018-07-18 · 5 obs
● 2015-08-23 00:46:02
● 2018-07-18 02:41:18
○ 2026-03-15 14:54:12
○ 2026-05-09 20:16:24
○NSns1.future-s.com2015-08-23 → 2018-07-18 · 5 obs
● 2015-08-23 00:46:02
● 2018-07-18 02:41:18
○ 2026-03-15 14:54:12
○ 2026-05-09 20:16:24
●NSns1.xserver.jp2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
●NSns2.xserver.jp2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
●NSns3.xserver.jp2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
●NSns4.xserver.jp2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
●NSns5.xserver.jp2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
●MXct-customer.com2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
○MXsagw.fsi.ne.jp2015-08-23 → 2018-07-18 · 5 obs
● 2015-08-23 00:46:02
● 2018-07-18 02:41:18
○ 2026-03-15 14:54:12
○ 2026-05-09 20:16:24
●A183.90.232.182026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 14:54:12
● 2026-05-09 20:16:24
○A219.99.164.482015-08-23 → 2018-07-18 · 5 obs
● 2015-08-23 00:46:02
● 2018-07-18 02:41:18
○ 2026-03-15 14:54:12
○ 2026-05-09 20:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| ct-customer.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
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ct-customer.com (unsigned zone)
⏱️ Timing
Total: 1110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.232.18 |
| NS | 5 | ns1.xserver.jp, ns4.xserver.jp... |
| MX | 1 | ct-customer.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1217.xserver.jp +a:ct-custom |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
sv.ct-customer.com has ct-customer.com as its parent.
Mail Server Role
The mail server for ct-customer.com is ct-customer.com.
IP Addresses
ct-customer.com maps to IP address 183.90.232.18.
Other host names, for instance tokyo-yagaku.jp, meisoku.net, as0126.worldtrade.jp, ns01.worldtrade.jp and green-techno.jp share IP numbers with ct-customer.com.
Name Servers
ct-customer.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ct-customer.com at least partially shares name servers with other domains such as afuee.jp, mamas-closet.com, sgf.or.jp, cosmeet.jp and msganka.jp.
Host names with three IPs
Host ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246
Host ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247
Host ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247
Host names with one IP
Host ns2.xserver.jp points to 35.72.43.26
Host ns3.xserver.jp points to 202.226.36.247
Mail Servers
One mail server serves ct-customer.com.
ct-customer.com points to one IP number: 183.90.232.18.