Re: lug-bg: mail.bg

[vlk@email.domain.hidden (Vesselin Kolev)]

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Taka....

Naistina 212.36.16.1 niama PTR RR. No tova, koeto e napisal supporta na
mail.bg po-dolu me nakara da se razhylcam.

Citiram:

<em class="quotelev1">>
<em class="quotelev1">> Ïðè îáðàòíèÿò Âè ðåçîëâèíã îòãîâàðÿò ìíîãî IP àäðåñè, ïî ñòàíäàðò òîâà
<em class="quotelev1">> íåòðÿáâà äà å òàêà. 

<p>......

Mozhe za edin host da ima prozivolen broi A RR i za edin IP adres da ima
 proizvolen broi PTR RR.

Za da raboti smtp zashtitata kato na yunacite ot mail.bg e neobhodimo da ima
samo syotvetstvie mezhdu PTR i A zapisi. Sirech, ako az imam IP adres

212.36.16.1 

v zonata na domaina 16.36.212.in-addr.arpa imam napraveni slednite zapisi:

1 PTR  ns.my-domain.dom.
1 PTR  ns.other.domain.dom.

v zonata na domaina my-domain.dom e nuzhno da ima definiciite:

ns  A  212.36.16.1

v zonata na domaina other.domain.dom e nuzhno da ima definiciite:

ns  A  212.36.16.1

Kogato se poiska PTR za 1.16.36.212.in-addr.arpa shte se vyrne edin
ot vsichkite PTR RR. Neka tova da e ns.my-domain.dom. Sled tova shte
se proveri za A RR v zonata na domaina my-domain.dom i shte se vidi,
che ima syotvetstvie.

Defakto DNS servera na pitashtia v sluchaia niama da znae za nalichieto
na drugi PTR zapisi. Prichinata e, che ne se izvlichai vsichki PTR zapisi,
a samo edin ot tiah (ako ne e zadaden rrset pravilo za podredbata, v koiato
shte se vryshtat RR zapisite, shte imame ciklichna sluchaina shema na
servirane na otvorite; rrset ne se izpolzva v BIND 9).

SLEDOVATELNO smtp niama kak da znae, che ima poveche ot edin
PTR RR, zashtoto serverite za imena mu vryshtat sluchaino EDIN ot
napravenite PTR zapisi. Dostatychno e da se podade edin ot napravenite
PTR RR, da se nameri A RR za nego i da se prieme sesiata. Ako ne se
nameri syotvetstvie... togava sesiata se othvyrlia. No inache vsichko e
syvsem zakonno.

Ïëþñ òîâà ñòå èì ïèñàëè èìåíàòà ñ ãëàâíè áóêâè, êîåòî
<em class="quotelev1">> íå å ïðåïîðú÷èòåëíî. Àêî òðÿáâà ùå Âè êàæåì êàêâî íå Âè å íàðåä, ñïîðåä
<em class="quotelev1">> RFC.
<em class="quotelev1">>

Aaaaaaaaaaaaa

 Nikoi nikyde
ne e kazal, che ne mozhe ime na hosta da se pishe s glavna bukva.
Spravka... faila named.ca na vseki DNS server. Ne mozhete da go
namerite? Niama problemi pishete dig, sled tova Enter i gotovo:)

<p>Cheteiki tova, ne se uchudvam na tozi fragment ot moi zhurnalen file:

Oct 09 19:06:24.319 info: lame server resolving 'www.mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Oct 19 10:56:29.178 info: lame server resolving 'na.mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Nov 06 20:31:02.613 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Nov 24 10:29:06.075 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Nov 28 19:24:42.529 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Nov 29 02:43:18.942 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 11 18:45:40.016 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 12 12:40:31.376 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 20 15:35:54.512 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 24 11:08:16.442 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 28 14:05:42.395 info: lame server resolving 'www.mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 29 19:57:35.186 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Dec 30 10:30:28.060 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 02 18:38:08.954 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 03 18:41:02.951 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 04 15:46:21.028 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 05 21:47:00.502 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 06 20:51:48.244 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 07 17:32:48.257 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Jan 11 00:28:53.300 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
194.145.63.13#53
Feb 17 23:19:05.168 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
193.201.172.114#53
Feb 18 10:10:37.159 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
193.201.172.114#53
Feb 20 12:33:50.589 info: lame server resolving 'mail.bg' (in 'mail.bg'?): 
193.201.172.114#53
Mar 12 09:59:54.076 info: lame server resolving 'www.mail.bg' (in 'mail.bg'?): 
193.201.172.114#53
Mar 12 23:44:51.756 info: lame server resolving 'mx1.mail.bg' (in 'mail.bg'?): 
193.201.172.114#53

<p>Pozdravi
    Vesselin Kolev
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