ctc.jp - robtex.com

ctc.jp

DNSSEC⚠️ Not signed
NSns0.dc.ctc.ad.jp ⭐
A2001:f58:10:1000::102πŸ‡―πŸ‡΅ CTCX2001:f58::/32 Chubu Telecommunications Company, Inc. Sakae 2-2-5, Naka-ku, Nagoya-shi, 460-0008 JAPAN
PTRns0.dc.ctc.ad.jp
A218.216.176.147πŸ‡―πŸ‡΅ CTCX218.216.176.0/24 Chubu Telecommunications Company, Inc.
PTRns0.dc.ctc.ad.jp
NSns013-bei8fvvc09t758i3.b.d-53.info
A2001:240:bb81::28:44πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.biz
A202.32.219.44πŸ‡―πŸ‡΅ IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.biz
NSns013-bei8fvvc09t758i3.b.d-53.jp
A2001:240:bb81::29:1104πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.org
A2400:cb00:2049:1::a29f:1a46πŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b5dπŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.70Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.93Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A203.180.146.104πŸ‡―πŸ‡΅ IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.org
NSns013-bei8fvvc09t758i3.b.d-53.net
A2001:240:bb81::29:104πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.net
A210.138.20.104πŸ‡―πŸ‡΅ IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.net
NSns3.ctc.jp
A2406:da14:463:7801:dbb3:ecb4:d989:e9bcπŸ‡―πŸ‡΅ Amazon2406:da14:400::/38 AMAZON AWS
A13.230.125.104πŸ‡―πŸ‡΅ Amazon13.230.0.0/15 EC2 NRT prefix
PTRns3.ctc.jp
MXmail1.dc.ctc.ad.jp ⭐
A218.216.176.146πŸ‡―πŸ‡΅ CTCX218.216.176.0/24 Chubu Telecommunications Company, Inc.
PTRmail1.dc.ctc.ad.jp
MXmail2.dc.ctc.ad.jp(20)
A218.216.176.120πŸ‡―πŸ‡΅ CTCX218.216.176.0/24 Chubu Telecommunications Company, Inc.
PTRmail2.dc.ctc.ad.jp
TXTpardot960722=f581c9231fbf47640ea2b8d078899baa9eae900ad0040ef3bbf90793f6c012ba
SOAns0.dc.ctc.ad.jproot@dc.ctc.ad.jp 2025-09-30 #0

jp

DNSSECπŸ”’ Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1773558003
πŸ“ˆ Tranco rank: #64,987

Subdomains

Same first word

Similar names

DNS History

9 records (7 active, 2 former)

20162017201820192020202120222023202420252026NSns0.dc.ctc.ad.jpns013-bei8fvvc09t758i3.b.d-53.infons013-bei8fvvc09t758i3.b.d-53.jpns013-bei8fvvc09t758i3.b.d-53.netns3.ctc.jpdns2.commufa.jpns2.dc.ctc.ad.jpMXmail1.dc.ctc.ad.jpmail2.dc.ctc.ad.jp
β—‹NSdns2.commufa.jp2020-12-04 β†’ 2020-12-04 Β· 4 obs
β—‹ 2015-08-31 00:40:12
● 2020-12-04 06:30:46
β—‹ 2021-07-02 09:08:46
β—‹ 2026-03-16 07:47:08
●NSns0.dc.ctc.ad.jp2015-08-31 β†’ 2026-03-16 Β· 2 obs
● 2015-08-31 00:40:12
● 2026-03-16 07:47:08
●NSns013-bei8fvvc09t758i3.b.d-53.info2021-07-02 β†’ 2026-03-16 Β· 3 obs
β—‹ 2020-12-04 06:30:46
● 2021-07-02 09:08:46
● 2026-03-16 07:47:08
●NSns013-bei8fvvc09t758i3.b.d-53.jp2021-07-02 β†’ 2026-03-16 Β· 3 obs
β—‹ 2020-12-04 06:30:46
● 2021-07-02 09:08:46
● 2026-03-16 07:47:08
●NSns013-bei8fvvc09t758i3.b.d-53.net2021-07-02 β†’ 2026-03-16 Β· 3 obs
β—‹ 2020-12-04 06:30:46
● 2021-07-02 09:08:46
● 2026-03-16 07:47:08
β—‹NSns2.dc.ctc.ad.jp2015-08-31 β†’ 2020-12-04 Β· 4 obs
● 2015-08-31 00:40:12
● 2020-12-04 06:30:46
β—‹ 2021-07-02 09:08:46
β—‹ 2026-03-16 07:47:08
●NSns3.ctc.jp2021-07-02 β†’ 2026-03-16 Β· 3 obs
β—‹ 2020-12-04 06:30:46
● 2021-07-02 09:08:46
● 2026-03-16 07:47:08
●MXmail1.dc.ctc.ad.jp2015-08-31 β†’ 2026-03-16 Β· 2 obs
● 2015-08-31 00:40:12
● 2026-03-16 07:47:08
●MXmail2.dc.ctc.ad.jp2015-08-31 β†’ 2026-03-16 Β· 2 obs
● 2015-08-31 00:40:12
● 2026-03-16 07:47:08

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, g.dns.jp, a.dns.jp, f.dns.jp...-
ctc.jpns013-bei8fvvc09t758i3.b.d-53.net, ns013-bei8fvvc09t758i3.b.d-53.info, ns3.ctc.jp, ns013-bei8fvvc09t758i3.b.d-53.jp2 records

βœ… 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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctc.jp (unsigned zone)

⏱️ Timing

Total: 1204ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS4ns013-bei8fvvc09t758i3.b.d-53.info, ns3.ctc.jp...
MX2mail2.dc.ctc.ad.jp (pri: 20), mail1.dc.ctc.ad.jp (pri: 10)
TXT1pardot960722=f581c9231fbf47640ea2b8d0788
SOA1ns0.dc.ctc.ad.jp root.dc.ctc.ad.jp

πŸ“Œ 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