CF1761033722441-tsm20251017082432

DNSWHOIS.INFO - cst.otsuma.ac.jp

Search for IP or hostnames:

cst.otsuma.ac.jp checked at 2025-10-21T08:02:02.423Z 949ms 74/74/74 100% R:13

cst.otsuma.ac.jp

MXaspmx.l.google.com
A2607:f8b0:4023:c03::1b 🇺🇸 Google
PTRdy-in-f27.1e100.net
A74.125.137.27🇺🇸 Google
PTRdy-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a 🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.27🇺🇸 Google
PTRyudfwra-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4003:c30::1b 🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2607:f8b0:4001:c70::1b 🇺🇸 Google
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google
PTRyucbful-in-f26.1e100.net
MXalt4.aspmx.l.google.com
A2607:f8b0:4024:c0d::1b 🇺🇸 Google
PTRmj-in-f27.1e100.net
A192.178.152.27🇺🇸 Google
PTRmj-in-f27.1e100.net

otsuma.ac.jp

MXaspmx.l.google.com
NSns008-j8cu1c3aecp9ejjq.j.d-53.info
NSns008-j8cu1c3aecp9ejjq.j.d-53.jp
NSns008-j8cu1c3aecp9ejjq.j.d-53.net
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
MXalt3.aspmx.l.google.com
MXalt4.aspmx.l.google.com
rank #308181 globally
rank #5238 in the tld

Starts with same word

Starts similarily

AI analysis

cst.otsuma.ac.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cst.otsuma.ac.jp shares mail servers with other domains at least in part, for instance althauser.com, gemporium.net, marciomoreno.com, itec.net and frenzcard.co.nz.

These mail servers are commonly used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4023:c03::1b and 74.125.137.27

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:100f::1a and 192.178.220.27

alt2.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.27

alt3.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1b and 192.178.209.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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SSsezmp CF johedugfp 2025-10-21