CF1761639640391-tsm20251027103946

DNSWHOIS.INFO - imap.sfc.keio.ac.jp

Search for IP or hostnames:

imap.sfc.keio.ac.jp checked at 2025-10-28T08:20:40.379Z 960ms 46/46/46 100% R:15

imap.sfc.keio.ac.jp

MXmail-gw1.sfc.keio.ac.jp
A133.27.4.126🇯🇵 KEIO-NET
PTRmail-gw1.sfc.keio.ac.jp
A2001:df2:c900:1100::5:100 🇯🇵 KEIO-NET
PTRimap.sfc.keio.ac.jp
A133.27.5.100🇯🇵 KEIO-NET
PTRimap.sfc.keio.ac.jp

sfc.keio.ac.jp

NSns0.keio.ac.jp
NSns1.keio.ac.jp
NSns9.keio.ac.jp
MXmail-gw1.sfc.keio.ac.jp
MXmail-gw2.sfc.keio.ac.jp
NSns01.sfc.keio.ac.jp
NSns02.sfc.keio.ac.jp
NSns0.sfc.keio.ac.jp

PTR for

Starts with same word

Starts similarily

AI analysis

imap.sfc.keio.ac.jp points to two IP numbers: 2001:df2:c900:1100::5:100 and 133.27.5.100.

The mail server for imap.sfc.keio.ac.jp is mail-gw1.sfc.keio.ac.jp.

imap.sfc.keio.ac.jp shares the same mail server setup as other domains, including ug201-public.sfc.keio.ac.jp, gw2-v61-1.sfc.keio.ac.jp, net44-dhcp28.sfc.keio.ac.jp, dnscache1.sfc.keio.ac.jp and wux00.sfc.keio.ac.jp.

At least part of imap.sfc.keio.ac.jp's mail servers are shared with other domains, for instance sfc.keio.ac.jp and mag.keio.ac.jp.

These mail servers are often used with the mail servers mail-gw2.sfc.keio.ac.jp.

Host name mail-gw1.sfc.keio.ac.jp resolves to IP 133.27.4.126.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

atDllSZ CF johedugfp 2025-10-28