% APNIC found the following authoritative answer from: whois.apnic.net



% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '66.235.120.0 - 66.235.127.255'

% Abuse contact for '66.235.120.0 - 66.235.127.255' is 'abuse-contact@smtp2go.com'

inetnum:        66.235.120.0 - 66.235.127.255
netname:        SMTP2GO-NZ
descr:          Sand Dune Mail Ltd
country:        NZ
org:            ORG-SDML1-AP
admin-c:        SDML1-AP
tech-c:         SDML1-AP
abuse-c:        AS2443-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-SMTP2GO-NZ
mnt-routes:     MAINT-SMTP2GO-NZ
mnt-irt:        IRT-SMTP2GO-NZ
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
last-modified:  2025-01-29T04:36:58Z
source:         APNIC

irt:            IRT-SMTP2GO-NZ
address:        PO Box 29272, Christchurch 8440
e-mail:         abuse-contact@smtp2go.com
abuse-mailbox:  abuse-contact@smtp2go.com
admin-c:        SDML1-AP
tech-c:         SDML1-AP
auth:           # Filtered
remarks:        abuse-contact@smtp2go.com was validated on 2025-08-08
mnt-by:         MAINT-SMTP2GO-NZ
last-modified:  2025-11-18T00:29:35Z
source:         APNIC

organisation:   ORG-SDML1-AP
org-name:       Sand Dune Mail Ltd
org-type:       LIR
country:        NZ
address:        EPIC Building
address:        76/106 Manchester Street
phone:          +64-22-6974345
e-mail:         charlie@smtp2go.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:31Z
source:         APNIC

role:           ABUSE SMTP2GONZ
country:        ZZ
address:        PO Box 29272, Christchurch 8440
phone:          +000000000
e-mail:         abuse-contact@smtp2go.com
admin-c:        SDML1-AP
tech-c:         SDML1-AP
nic-hdl:        AS2443-AP
remarks:        Generated from irt object IRT-SMTP2GO-NZ
remarks:        abuse-contact@smtp2go.com was validated on 2025-08-08
abuse-mailbox:  abuse-contact@smtp2go.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-08T08:34:58Z
source:         APNIC

role:           Sand Dune Mail Ltd administrator
address:        PO Box 29272, Christchurch  8440
country:        US
phone:          +64-22-6974345
fax-no:         +64-22-6974345
e-mail:         abuse-contact@smtp2go.com
admin-c:        SDML1-AP
tech-c:         SDML1-AP
nic-hdl:        SDML1-AP
mnt-by:         MAINT-SMTP2GO-NZ
last-modified:  2017-06-07T03:06:01Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)