The 188.8.131.52/25 IP range is used by the oVirt project Phoenix lab.
DNS settings used by oVirt are generally dynamic and managed by Foreman.
A few of the IP addresses in the $subject range are being backawards-resolved
by 10.35.255.14 to addresses such as:
This interferes with Foreman. Please remove DNS records causing that
reverse resolution so the addresses will be properly resolved via the oVirt
oVirt Infra Team