ctc.jp - robtex.com
ctc.jp
jp
| DNSSEC | π Signed (DS record present) | ||||||
| NS | z.dns.jp β | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1773558003 | ||||||
Subdomains
csw.ctc.jp |
dc.ctc.jp |
sa.ctc.jp |
sky.ctc.jp |
iptel.ctc.jp |
hs.ctc.jp |
ns3.ctc.jp |
mail.ctc.jp |
stream.ctc.jp |
saas.ctc.jp |
ssl.ctc.jp |
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
βNSdns2.commufa.jp2020-12-04 β 2020-12-04 Β· 4 obs
β 2020-12-04 06:30:46
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βNSns0.dc.ctc.ad.jp2015-08-31 β 2026-03-16 Β· 2 obs
β 2026-03-16 07:47:08
βNSns013-bei8fvvc09t758i3.b.d-53.info2021-07-02 β 2026-03-16 Β· 3 obs
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βNSns013-bei8fvvc09t758i3.b.d-53.jp2021-07-02 β 2026-03-16 Β· 3 obs
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βNSns013-bei8fvvc09t758i3.b.d-53.net2021-07-02 β 2026-03-16 Β· 3 obs
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βNSns2.dc.ctc.ad.jp2015-08-31 β 2020-12-04 Β· 4 obs
β 2020-12-04 06:30:46
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βNSns3.ctc.jp2021-07-02 β 2026-03-16 Β· 3 obs
β 2021-07-02 09:08:46
β 2026-03-16 07:47:08
βMXmail1.dc.ctc.ad.jp2015-08-31 β 2026-03-16 Β· 2 obs
β 2026-03-16 07:47:08
βMXmail2.dc.ctc.ad.jp2015-08-31 β 2026-03-16 Β· 2 obs
β 2026-03-16 07:47:08
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, a.dns.jp, f.dns.jp... | - |
| ctc.jp | ns013-bei8fvvc09t758i3.b.d-53.net, ns013-bei8fvvc09t758i3.b.d-53.info, ns3.ctc.jp, ns013-bei8fvvc09t758i3.b.d-53.jp | 2 records |
β Authoritative Response
Server: 13.230.125.104
NS records: ns013-bei8fvvc09t758i3.b.d-53.net, ns013-bei8fvvc09t758i3.b.d-53.info, ns3.ctc.jp, ns013-bei8fvvc09t758i3.b.d-53.jp
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for ctc.jp (unsigned zone)
β±οΈ Timing
Total: 1204ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns013-bei8fvvc09t758i3.b.d-53.info, ns3.ctc.jp... |
| MX | 2 | mail2.dc.ctc.ad.jp (pri: 20), mail1.dc.ctc.ad.jp (pri: 10) |
| TXT | 1 | pardot960722=f581c9231fbf47640ea2b8d0788 |
| SOA | 1 | ns0.dc.ctc.ad.jp root.dc.ctc.ad.jp |
π Glue Records Collected
Total: 2
In-bailiwick: 2 (ns3.ctc.jp, ns3.ctc.jp)
Analysis
Hierarchy
ctc.jp is the parent of csw.ctc.jp, dc.ctc.jp, sa.ctc.jp, sky.ctc.jp, iptel.ctc.jp and a few other host names.
Name Servers
ctc.jp delegates to five name servers: ns3.ctc.jp, ns013-bei8fvvc09t758i3.b.d-53.info, ns013-bei8fvvc09t758i3.b.d-53.jp, ns013-bei8fvvc09t758i3.b.d-53.net and ns0.dc.ctc.ad.jp.
ctc.jp at least partially shares name servers with other domains such as ssl.ctc.jp, aica.co.jp, tv-aichi.co.jp, ichimura.ac.jp and nua.ac.jp.
These name servers are commonly used with ns2.dc.ctc.ad.jp, ns1.hs.ctc.jp, ns12.pwd.ne.jp and dns-x.sinet.ad.jp.
Six IP numbers:
ns013-bei8fvvc09t758i3.b.d-53.jp points to: 2001:240:bb81::29:1104, 2400:cb00:2049:1::a29f:1a46, 2400:cb00:2049:1::a29f:1b5d, 162.159.26.70, 162.159.27.93 and 203.180.146.104
Two IP numbers:
ns3.ctc.jp points to: 2406:da14:463:7801:dbb3:ecb4:d989:e9bc and 13.230.125.104
ns013-bei8fvvc09t758i3.b.d-53.info points to: 2001:240:bb81::28:44 and 202.32.219.44
ns013-bei8fvvc09t758i3.b.d-53.net points to: 2001:240:bb81::29:104 and 210.138.20.104
ns0.dc.ctc.ad.jp points to: 2001:f58:10:1000::102 and 218.216.176.147
Mail Servers
Two mail servers handle ctc.jp: mail1.dc.ctc.ad.jp and mail2.dc.ctc.ad.jp.
ctc.jp shares the same mail server setup as other domains, including dc.ctc.jp, sa.ctc.jp, sky.ctc.jp, ctc.ad.jp and mail.ctc.jp.
ctc.jp shares some mail servers with other domains, at least partially, for instance ctc.co.jp.
These mail servers are commonly used together with ctcmx1.ctc.co.jp and ctcmx2.ctc.co.jp.
Host names with a single IP address:
mail1.dc.ctc.ad.jp points to 218.216.176.146
mail2.dc.ctc.ad.jp points to 218.216.176.120