cs.chibatech.ac.jp - robtex.com

cs.chibatech.ac.jp

DNSSEC⚠️ Not signed
NSloco.cs.chibatech.ac.jp ⭐ ⚠️ Not in parent delegation
A202.17.18.11πŸ‡―πŸ‡΅ CIT-NET-1202.17.16.0/20 Chiba Institute of Technology X-keiro : wheel@cc.it-chiba.ac.jp
PTRloco.cs.chibatech.ac.jp
PTRcs11.cs.it-chiba.ac.jp
NSdns-x.sinet.ad.jp ⚠️ Not in parent delegation
A2001:2f8:0:10::53πŸ‡―πŸ‡΅ SINET-AS2001:2f8::/32 SINET CIDR Block
PTRdns-x1.sinet.ad.jp
PTRdns-x.sinet.ad.jp
A2001:2f8:0:11::53πŸ‡―πŸ‡΅ SINET-AS2001:2f8::/32 SINET CIDR Block
PTRdns-x2.sinet.ad.jp
PTRdns-x.sinet.ad.jp
A2001:2f8:0:12::53πŸ‡―πŸ‡΅ SINET-AS2001:2f8::/32 SINET CIDR Block
PTRdns-x3.sinet.ad.jp
PTRdns-x.sinet.ad.jp
A150.100.18.2πŸ‡―πŸ‡΅ SINET-AS150.100.0.0/16 SINET CIDR Block
PTRdns-x1.sinet.ad.jp
PTRdns-x.sinet.ad.jp
A150.100.18.6πŸ‡―πŸ‡΅ SINET-AS150.100.0.0/16 SINET CIDR Block
PTRdns-x2.sinet.ad.jp
PTRdns-x.sinet.ad.jp
A150.100.18.10πŸ‡―πŸ‡΅ SINET-AS150.100.0.0/16 SINET CIDR Block
PTRdns-x3.sinet.ad.jp
PTRdns-x.sinet.ad.jp
NSmoco.cs.chibatech.ac.jp ⚠️ Not in parent delegation
A202.17.18.12πŸ‡―πŸ‡΅ CIT-NET-1202.17.16.0/20 Chiba Institute of Technology X-keiro : wheel@cc.it-chiba.ac.jp
PTRmoco.cs.chibatech.ac.jp
PTRcs12.cs.it-chiba.ac.jp
NSnsx.imc.it-chiba.ac.jp ⚠️ Not in parent delegation
A202.17.22.65πŸ‡―πŸ‡΅ CIT-NET-1202.17.16.0/20 Chiba Institute of Technology X-keiro : wheel@cc.it-chiba.ac.jp
PTRnsx.imc.it-chiba.ac.jp
MXsmtp.google.com ⭐
A2a00:1450:4009:c0f::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A2a00:1450:4009:c0f::1bπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A2a00:1450:4009:c19::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrp-in-f26.1e100.net
A2a00:1450:4009:c19::1bπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrp-in-f27.1e100.net
A172.217.76.26πŸ‡ΊπŸ‡Έ Google172.217.76.0/24
PTRyulhrp-in-f26.1e100.net
A172.217.76.27πŸ‡ΊπŸ‡Έ Google172.217.76.0/24
PTRyulhrp-in-f27.1e100.net
A192.178.223.26πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
A192.178.223.27πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
TXTgoogle-site-verification=p9Lz95FVqCDUm_6FyWUAaehz6MdPCmJsyZTswMr4opU
TXTv=spf1 include:_spf.google.com ~all
SOAloco.cs.chibatech.ac.jphostmaster@loco.cs.chibatech.ac.jp 2026-04-03 #1

chibatech.ac.jp

DNSSEC⚠️ Not signed
NSnsx.imc.it-chiba.ac.jp ⭐
NSdns-x.sinet.ad.jp ⚠️ Not in zone NS records
MXsmtp.google.com ⭐
TXT3EA6BFFFAB7AC17E6867A0863B7B538F
TXTgoogle-site-verification=OAphvlRW24wSzFanjW54dKD81FIw2-cRvBn-I3pHRM8
TXTv=spf1 ip4:202.17.16.0/20 ip4:210.237.131.53 ip4:210.237.130.1 ip4:210.152.11...
TXTMS=ms15625335
TXTanthropic-domain-verification-69fdpt=OTo4pR677ukpU5rZhvNSfcZ2j
TXT25A5E6A3FA141D2CE71B2C67561ACB5D
TXTCEB13F02542BD16D462E5260B98A1245
TXTautodesk-domain-verification=kNt7PpSQu69kS9T-eSu-
TXTadobe-idp-site-verification=852348577bee71bc3f953d738bd302627e3ab1d616375e18c...
SOAnsx.imc.it-chiba.ac.jproot@chibatech.ac.jp 2026-04-28 #1

Subdomains

Same first word

Similar names

DNS History

5 records (5 active, 0 former)

NSdns-x.sinet.ad.jploco.cs.chibatech.ac.jpmoco.cs.chibatech.ac.jpnsx.imc.it-chiba.ac.jpMXsmtp.google.com
●NSdns-x.sinet.ad.jp2026-03-31 β†’ 2026-05-11 Β· 2 obs
● 2026-03-31 07:16:08
● 2026-05-11 01:04:36
●NSloco.cs.chibatech.ac.jp2026-03-31 β†’ 2026-05-11 Β· 2 obs
● 2026-03-31 07:16:08
● 2026-05-11 01:04:36
●NSmoco.cs.chibatech.ac.jp2026-03-31 β†’ 2026-05-11 Β· 2 obs
● 2026-03-31 07:16:08
● 2026-05-11 01:04:36
●NSnsx.imc.it-chiba.ac.jp2026-03-31 β†’ 2026-05-11 Β· 2 obs
● 2026-03-31 07:16:08
● 2026-05-11 01:04:36
●MXsmtp.google.com2026-03-31 β†’ 2026-05-11 Β· 2 obs
● 2026-03-31 07:16:08
● 2026-05-11 01:04:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
chibatech.ac.jpnsx.imc.it-chiba.ac.jp, dns-x.sinet.ad.jp1 record

βœ… Authoritative Response

Server:150.100.18.6

NS records: nsx.imc.it-chiba.ac.jp, dns-x.sinet.ad.jp

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chibatech.ac.jp (unsigned zone)

⏱️ Timing

Total: 1734ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS4loco.cs.chibatech.ac.jp, nsx.imc.it-chiba.ac.jp...
MX1smtp.google.com (pri: 1)
TXT2v=spf1 include:_spf.google.com ~all, google-site-verification=p9Lz95FVqCDUm_6
SOA1loco.cs.chibatech.ac.jp hostmaster.loco.

πŸ“Œ Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (nsx.imc.it-chiba.ac.jp)

Analysis

Hierarchy

cs.chibatech.ac.jp is a parent of loco.cs.chibatech.ac.jp and moco.cs.chibatech.ac.jp.

Name Servers

cs.chibatech.ac.jp is delegated to four name servers: dns-x.sinet.ad.jp, loco.cs.chibatech.ac.jp, moco.cs.chibatech.ac.jp and nsx.imc.it-chiba.ac.jp.

cs.chibatech.ac.jp at least partially shares name servers with other domains, for instance ocw.kyoto-u.ac.jp, andrew.ac.jp, hi-tech.ac.jp, 90.66.133.in-addr.arpa and syllabus.gifu-u.ac.jp.

These name servers are commonly used alongside ns1.kuins.kyoto-u.ac.jp, ns2.kuins.kyoto-u.ac.jp, odns1.ryukoku.ac.jp, odns2.ryukoku.ac.jp, odns0.ryukoku.ac.jp, sigw.sinet.ad.jp, guname0.imc.gifu-u.ac.jp, gudns.imc.gifu-u.ac.jp, dcvoexdns01.ydcop.aoyama.ac.jp and dcpointdns01k25.ydcbb.aoyama.ac.jp.

Host names with six IP numbers:

dns-x.sinet.ad.jp points to: 2001:2f8:0:10::53, 2001:2f8:0:11::53, 2001:2f8:0:12::53, 150.100.18.2, 150.100.18.6 and 150.100.18.10.

Host names with one IP number:

loco.cs.chibatech.ac.jp points to: 202.17.18.11.

moco.cs.chibatech.ac.jp points to: 202.17.18.12.

nsx.imc.it-chiba.ac.jp points to: 202.17.22.65.

Mail Servers

cs.chibatech.ac.jp is handled by a single mail server, smtp.google.com.

The mail server setup for cs.chibatech.ac.jp matches that of other domains, for instance mail.ironmail.net, realcanadiantravelstore.com, mistav.com.tr, gigaease.com and internsikring.no.

cs.chibatech.ac.jp shares at least partially some mail servers with other domains, including phykon.com, gonzocircus.com, citrusbugtechnolabs.com, maedashokuhin.co.jp and parceirosdigitais.com.

these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host name smtp.google.com points to eight IP numbers: 2a00:1450:4009:c0f::1a, 2a00:1450:4009:c0f::1b, 2a00:1450:4009:c19::1a, 2a00:1450:4009:c19::1b, 172.217.76.26, 172.217.76.27, 192.178.223.26 and 192.178.223.27.