sendmail.to - robtex.com

sendmail.to

DNSSEC⚠️ Not signed
A2001:e42:107:300d:163:43:197:165🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww50125.sakura.ne.jp
A163.43.197.165🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
NShinami.sendmail.to ⭐ ⚠️ Not in parent delegation
NShinami.ski.ac ⚠️ Not in zone NS records
A2409:10:e0:9b00::252🇯🇵 MF-NATIVE6-E2409:10::/28 INTERNET MULTIFEED CO.
A218.219.148.136🇯🇵 EditNet218.219.144.0/20
PTRhinami.ski.ac
NSmanami.sendmail.to ⚠️ Not in parent delegation
NSmanami.ski.ac ⚠️ Not in zone NS records
A2409:10:e0:9b00::250🇯🇵 MF-NATIVE6-E2409:10::/28 INTERNET MULTIFEED CO.
A116.58.175.41🇯🇵 InfoSphere116.58.160.0/19 INTERLINK
PTRmanami.ski.ac
MXakihabara.sendmail.to ⭐
TXTv=spf1 mx include:_spf.google.com a:edit.net a:sendmail.to a:hinami.sendmail....
SOAhinami.sendmail.toroot@sendmail.to 2026-02-22 #0

to

DNSSEC⚠️ Not signed
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1776057318

Same first word

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DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NShinami.sendmail.tohinami.ski.acmanami.sendmail.tomanami.ski.acnatsumi.sendmail.toMXakihabara.sendmail.to218.219.148.136.sendmail.tomail.sendmail.toA163.43.197.1652001:e42:107:300d:163:43:197:165203.138.99.166218.219.148.136
●NShinami.sendmail.to2015-08-23 → 2026-04-13 · 2 obs
● 2015-08-23 16:31:24
● 2026-04-13 05:37:44
●NShinami.ski.ac2026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
●NSmanami.sendmail.to2026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
●NSmanami.ski.ac2026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
○NSnatsumi.sendmail.to2016-01-23 → 2018-01-02 · 5 obs
○ 2015-08-23 16:31:24
● 2016-01-23 12:06:08
● 2018-01-02 06:54:44
○ 2026-04-10 16:37:30
○ 2026-04-13 05:37:44
○MX218.219.148.136.sendmail.to2017-08-05 → 2018-01-02 · 5 obs
○ 2016-12-10 06:27:26
● 2017-08-05 19:37:00
● 2018-01-02 06:54:44
○ 2026-04-10 16:37:30
○ 2026-04-13 05:37:44
●MXakihabara.sendmail.to2026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
○MXmail.sendmail.to2015-08-23 → 2016-12-10 · 4 obs
● 2015-08-23 16:31:24
● 2016-12-10 06:27:26
○ 2017-08-05 19:37:00
○ 2026-04-13 05:37:44
●A163.43.197.1652026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
●A2001:e42:107:300d:163:43:197:1652026-04-10 → 2026-04-13 · 3 obs
○ 2018-01-02 06:54:44
● 2026-04-10 16:37:30
● 2026-04-13 05:37:44
○A203.138.99.1662015-08-23 → 2015-12-09 · 4 obs
● 2015-08-23 16:31:24
● 2015-12-09 13:42:30
○ 2016-01-23 12:06:08
○ 2026-04-13 05:37:44
○A218.219.148.1362016-01-23 → 2018-01-02 · 5 obs
○ 2015-12-09 13:42:30
● 2016-01-23 12:06:08
● 2018-01-02 06:54:44
○ 2026-04-10 16:37:30
○ 2026-04-13 05:37:44

🔍 DNS Trace

Analysis

IP Addresses

sendmail.to resolves to two IP numbers: 2001:e42:107:300d:163:43:197:165 and 163.43.197.165.

other host names including po.tokorozawa-jc.or.jp, vivaldi.jp, christmas.to, www50125.sakura.ne.jp and mindream.net share IP numbers with sendmail.to.

Name Servers

sendmail.to is delegated to four name servers: hinami.ski.ac, manami.ski.ac, hinami.sendmail.to and manami.sendmail.to.

sendmail.to shares name servers with other domains at least partially, for example ski.ac and eleken.net.

These name servers are commonly used alongside ns1.101domain.com, ns2.101domain.com, ns5.101domain.com, akihabara.isv.earth, hinami.eleken.net and manami.eleken.net.

Host names with two IP numbers:

The host name hinami.ski.ac points to 2409:10:e0:9b00::252 and 218.219.148.136; the host name manami.ski.ac points to 2409:10:e0:9b00::250 and 116.58.175.41.

Mail Servers

sendmail.to is handled by a single mail server, akihabara.sendmail.to.