1 / 10
Lookups
0
Issues
261
IPv4 addresses
0
IPv6 addresses
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
or else
ip4:
81.27.166.0 / 24
pass
if the sender's IP is between
81.27.166.0 and 81.27.166.255 (inclusive).
81.27.166.0 and 81.27.166.255 (inclusive).
R-KOM Regensburger Telekommunikationsgesellschaft mbH
AS12611
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx ip4:81.27.166.0/24 -all
IP ranges
81.27.166.0
/ 24
R-KOM Regensburger Telekommunikationsgesellschaft mbH
AS12611
81.27.166.0 - 81.27.166.255
256 IP addresses