Посмотрел в логи почтового сервер, заметил такую фигню # host 222.252.221.254 254.221.252.222.in-addr.arpa domain name pointer localhost. # host 123.27.1.1 1.1.27.123.in-addr.arpa domain name pointer localhost.
#tracepath 222.254.130.69
1: broadband-77-37-157-174.nationalcablenetworks.ru (77.37.157.174) 0.269ms pmtu 1500 1: no reply 2: mtk-1.msk.ip.ncnet.ru (77.37.254.85) 21.858ms 3: bgw-1-po2-0.msk.ip.ncnet.ru (77.37.254.45) 17.260ms 4: mow-b2-link.telia.net (80.239.193.153) 8.885ms 5: mow-b1-link.telia.net (80.91.254.69) 15.307ms 6: s-bb1-link.telia.net (80.91.251.221) 43.056ms asymm 7 7: kbn-bb1-link.telia.net (80.91.248.45) 34.200ms asymm 8 8: nyk-bb1-link.telia.net (80.91.254.89) 132.397ms asymm 9 9: sjo-bb1-link.telia.net (80.91.252.153) 206.578ms asymm 10 10: hnk-b1-link.telia.net (80.91.249.118) 345.513ms asymm 11 11: vptc-ic-130050-hnk-b1.c.telia.net (213.248.93.118) 348.612ms 12: localhost (123.30.79.1) 420.506ms 13: localhost (123.30.120.13) 395.363ms asymm 17 14: 203.162.231.6 (203.162.231.6) 399.492ms asymm 16 1: broadband-77-37-156-2.nationalcablenetworks.ru (77.37.156.2) 10760.038ms 15: 222.255.165.42 (222.255.165.42) 405.621ms asymm 14 1: broadband-77-37-156-2.nationalcablenetworks.ru (77.37.156.2) 10691.475ms 1: broadband-77-37-156-2.nationalcablenetworks.ru (77.37.156.2) 10065.492ms 16: localhost (222.252.221.254) 435.493ms 1: broadband-77-37-156-2.nationalcablenetworks.ru (77.37.156.2) 9580.072ms 18: localhost (222.254.112.1) 426.723ms pmtu 1492 18: no reply 19: no reply 20: no reply
Что за левые localhost-ы?