jcsa.com - robtex.com
jcsa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.35🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.namedserver.net ⭐ | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns.namedserver.net | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mx.jcsa.com ⭐ | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net include:spf.jcsa.com ~all | ||||||
| SOA | ns.namedserver.netroot@namedserver.net serial=8 | ||||||
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=1776203892 | ||||||
Previously MX for
jcsa.com |
Subdomains
mx.jcsa.com |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSns.liquidweb.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
●NSns.namedserver.net2015-07-11 → 2026-04-14 · 3 obs
● 2015-07-11 16:51:04
● 2026-04-14 22:06:44
○NSns.sourcedns.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
○NSns1.liquidweb.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
○NSns1.sourcedns.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
●NSns2.namedserver.net2015-07-11 → 2026-04-14 · 3 obs
● 2015-07-11 16:51:04
● 2026-04-14 22:06:44
○MXjcsa.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
●MXmx.jcsa.com2015-07-11 → 2026-04-14 · 3 obs
● 2015-07-11 16:51:04
● 2026-04-14 22:06:44
●A153.122.205.352026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 21:54:08
● 2026-04-14 22:06:44
○A211.13.196.1512015-07-11 → 2017-06-25 · 5 obs
● 2015-07-11 16:51:04
● 2017-06-25 16:29:06
○ 2026-04-14 21:54:08
○ 2026-04-14 22:06:44
○A64.91.255.2032007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-11 16:51:04
○ 2026-04-14 22:06:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net... | - |
| jcsa.com | ns.namedserver.net, ns2.namedserver.net | - |
✅ Authoritative Response
Server:157.120.113.212
NS records: ns.namedserver.net, ns2.namedserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcsa.com (unsigned zone)
⏱️ Timing
Total: 1116ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.35 |
| NS | 2 | ns2.namedserver.net, ns.namedserver.net |
| MX | 1 | mx.jcsa.com (pri: 100) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net in |
| SOA | 1 | ns.namedserver.net root.namedserver.net |
Analysis
Hierarchy
jcsa.com is a parent of mx.jcsa.com.
IP Addresses
jcsa.com points to a single IP number: 153.122.205.35.
Other host names, for instance mizukami-kougyo.com, mimisc.jp, aymiyoshi.com, sakuracli.com and www.(0x666170)systems.com share IP numbers with jcsa.com.
Name Servers
Delegation for jcsa.com rests with two name servers, ns2.namedserver.net and ns.namedserver.net.
jcsa.com shares the same name server setup as other domains, including edo-saki.com, 100.170.7.157.in-addr.arpa, tsukamoto-naika.org, sub0000539091.hmk-temp.com and sub0000545881.hmk-temp.com.
jcsa.com shares name servers with other domains at least partially, for example takeda-seikei-clinic.com.
Host names with three IP numbers: The host names ns2.namedserver.net and ns.namedserver.net point to 157.120.112.212, 157.120.113.212 and 157.120.114.212. Host names that point to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net. Host names that point to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net. Host names that point to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.
Mail Servers
jcsa.com is handled by a single mail server, mx.jcsa.com.
mx.jcsa.com points to a single IP: 153.122.206.94.