ctc.ad.jp SPF record

2 / 10 Lookups
0 Issues
19 IPv4 addresses
65,536 IPv6 addresses
v=spf1 mx a:ctcsva.ctc.co.jp ip4:210.173.147.240/28 ip6:2402:6b00:f40:0:210:173:147::/112 ~all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
a:
ctcsva.ctc.co.jp
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
210.173.147.240 / 28
pass if the sender's IP is between
210.173.147.240 and 210.173.147.255 (inclusive).
Chubu Telecommunications Company
AS18126
or else
ip6:
2402:6b00:f40:0:210:173:147:0 / 112
pass if the sender's IP is between
2402:6b00:f40:0:210:173:147:0 and 2402:6b00:f40:0:210:173:147:ffff (inclusive).
Chubu Telecommunications Company
AS18126
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 mx a:ctcsva.ctc.co.jp ip4:210.173.147.240/28 ip6:2402:6b00:f40:0:210:173:147:0/112 ~all

IP ranges

218.216.176.146
Chubu Telecommunications Company
AS18126
218.216.176.120
Chubu Telecommunications Company
AS18126
218.216.178.52
Chubu Telecommunications Company
AS18126
210.173.147.240 / 28
Chubu Telecommunications Company
AS18126
2402:6b00:f40:0:210:173:147:0 / 112
Chubu Telecommunications Company
AS18126