classca.jp - robtex.com

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classca.jp

DNSSEC⚠️ Not signed
A2600:9000:2112:600:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:5c00:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:6e00:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:8800:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:a800:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:b400:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:b600:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:d000:3:fe43:3100:93a1🇺🇸 Amazon
A157.7.189.228🇯🇵 GMO-INTERNET
NSclassca.jp
A2600:9000:2112:600:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:5c00:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:6e00:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:8800:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:a800:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:b400:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:b600:3:fe43:3100:93a1🇺🇸 Amazon
A2600:9000:2112:d000:3:fe43:3100:93a1🇺🇸 Amazon
A157.7.189.228🇯🇵 GMO-INTERNET
PTRusers220.vip.heteml.jp
NSdns01.muumuu-domain.com
A202.239.23.39🇯🇵 IDC
NSdns02.muumuu-domain.com
A160.251.249.62🇯🇵 GMOOSK-NET
MXaspmx.l.google.com
A2607:f8b0:4004:c17::1b🇺🇸 Google
PTRbl-in-f27.1e100.net
A172.253.62.27🇺🇸 Google
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:4009:c0f::1b🇬🇧 Google
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google
PTRyulhrs-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:4009:c0f::1b🇬🇧 Google
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google
PTRyulhrs-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:400c:c00::1a🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:4025:402::1b🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google
PTRrb-in-f26.1e100.net
MXmail21.heteml.jp(50)
A157.7.189.15🇯🇵 GMO-INTERNET
PTRmail-proxy.heteml.jp
TXTgoogle-site-verification=o-LqAy269orPHcy1L8BeIstRq-sDdm6PIbyrxb0PQXQ
TXTv=spf1 include:_spf.heteml.jp ~all
SOAclassca.jppostmaster@classca.jp serial=1766993015

jp

DNSSEC🔒 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=1769815802

Up

Same first word

Similar names

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
classca.jpdns02.muumuu-domain.com, dns01.muumuu-domain.com-

✅ Authoritative Response

Server: 160.251.249.62

NS records: dns02.muumuu-domain.com, dns01.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classca.jp (unsigned zone)

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.189.228
AAAA82600:9000:2112:f000:3:fe43:3100:93a1, 2600:9000:2112:dc00:3:fe43:3100:93a1...
NS2dns02.muumuu-domain.com, dns01.muumuu-domain.com
MX8ASPMX2.GOOGLEMAIL.COM (pri: 30), ASPMX3.GOOGLEMAIL.COM (pri: 30)...
TXT2google-site-verification=o-LqAy269orPHcy, v=spf1 include:_spf.heteml.jp ~all
SOA1classca.jp postmaster.classca.jp

AI analysis

The parent of www.classca.jp is classca.jp.

classca.jp points to nine IPs: 2600:9000:2112:600:3:fe43:3100:93a1, 2600:9000:2112:5c00:3:fe43:3100:93a1, 2600:9000:2112:6e00:3:fe43:3100:93a1, 2600:9000:2112:8800:3:fe43:3100:93a1, 2600:9000:2112:a800:3:fe43:3100:93a1, 2600:9000:2112:b400:3:fe43:3100:93a1, 2600:9000:2112:b600:3:fe43:3100:93a1, 2600:9000:2112:d000:3:fe43:3100:93a1 and 157.7.189.228.

Other host names such as mail.t-mind.net, seishin-m.ed.jp, owlm.co.jp, mail.itokinelektra.com and hifukeisei.net share IPs with classca.jp.

classca.jp is delegated to three name servers: classca.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

classca.jp at least partially shares name servers with other domains, for instance gardenxxx.com, freed-desk.jp, u-tokinoirodori.com, gadjp.com and cherryblossom-kenkou.com.

Host names with nine IP numbers:

classca.jp points to: 2600:9000:2112:600:3:fe43:3100:93a1, 2600:9000:2112:5c00:3:fe43:3100:93a1, 2600:9000:2112:6e00:3:fe43:3100:93a1, 2600:9000:2112:8800:3:fe43:3100:93a1, 2600:9000:2112:a800:3:fe43:3100:93a1, 2600:9000:2112:b400:3:fe43:3100:93a1, 2600:9000:2112:b600:3:fe43:3100:93a1, 2600:9000:2112:d000:3:fe43:3100:93a1 and 157.7.189.228.

Host names with one IP number:

dns01.muumuu-domain.com points to: 202.239.23.39.

dns02.muumuu-domain.com points to: 160.251.249.62.

classca.jp is handled by eight mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, mail21.heteml.jp, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

classca.jp shares at least partially some mail servers with other domains, including skann.no, ns500693.ns500765.ns500699.ns500734.ns500693.ns500734.ns500734.ns500693.ns500588.ns500693.ns500588.ns500699.ns500699.ns500699.ns500588.ns500632.ns500110.dtrkdll.com, ns500758.ns500759.ns500698.ns500759.ns500735.ns500735.ns500576.ns500576.ns500686.ns500576.ns500576.ns500652.tracksymphony.com, ns500671.ns500731.ns500742.ns500754.ns500742.ns500731.ns500671.ns500671.ns500731.ns500688.ns500705.ns500705.ns500291.ns500649.ns500291.ns500291.ns500131.lustychickser.com and ns500759.ns500698.ns500736.ns500736.ns500736.ns500736.ns500735.ns500735.ns500576.ns500619.ns500698.trackreceptor.com.

these mail servers are commonly used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Two IP numbers:

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.26.

aspmx3.googlemail.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

aspmx4.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27.

aspmx5.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.26.

aspmx.l.google.com points to 2607:f8b0:4004:c17::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.

alt2.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

One IP number:

mail21.heteml.jp points to 157.7.189.15.

Hostnames that point to:

2a00:1450:400b:c02::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

2a00:1450:4009:c0f::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com.

192.178.223.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.