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From: Konstantin Lepikhov <lepikhov@energya.ru>
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Date: Sun Mar 17 20:19:01 2002
X-Original-Date: Sun, 17 Mar 2002 20:08:38 +0300
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Здравтсвуйте!

Заметил тут на днях странные глюки, просматривая /var/log/maillog :)
Кто-очень настойчиво долбился к несуществующему юзеру, нагло предлагая ему
какие-то залеажвшиеся новости спорта. Выявили хост - это был
mail.enternet.ru. И вот тут началось самое интересное:

$ nslookup mail.enternet.ru

Server:  localhost
Address:  127.0.0.1

Non-authoritative answer:
Name:    mail.enternet.ru
Address:  127.0.0.1

8- ()

$ nslookup mail.enternet.ru host.els.ru

Server:  linux.els.ru <-- это DNS конкурирующих провайдеров :)
Address:  80.73.174.9

Non-authoritative answer:
Name:    mail.enternet.ru
Address:  127.0.0.1

$ dig mail.enternet.ru

; <<>> DiG 8.3 <<>> mail.enternet.ru 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 5
;; QUERY SECTION:
;;	mail.enternet.ru, type = A, class = IN

;; ANSWER SECTION:
mail.enternet.ru.	11h46m38s IN A	127.0.0.1

;; AUTHORITY SECTION:
enternet.ru.		11h46m38s IN NS  ns.enter.ru.
enternet.ru.		11h46m38s IN NS  ns1.enter.ru.
enternet.ru.		11h46m38s IN NS  ns2.enter.ru.
enternet.ru.		11h46m38s IN NS  ns3.enter.ru.
enternet.ru.		11h46m38s IN NS  ns4.enter.ru.

;; ADDITIONAL SECTION:
ns.enter.ru.		23h46m45s IN A	212.42.63.52
ns1.enter.ru.		11h46m45s IN A	212.42.63.55
ns2.enter.ru.		11h46m45s IN A	212.42.63.54
ns3.enter.ru.		11h46m45s IN A	195.170.225.179
ns4.enter.ru.		11h46m45s IN A	195.170.225.180

;; Total query time: 1 msec
;; FROM: lks.home to SERVER: default -- 127.0.0.1
;; WHEN: Sun Mar 17 19:48:22 2002
;; MSG SIZE  sent: 34  rcvd: 225


Спамеры? Или кривые руки? :)

-- 
with best regards,			ICQ: 109916175
Konstantin Lepikhov			mailto:lakostis@pisem.net

Motto: Linux is like a wigwam - no windows, no gates, apache inside!