Another interesting point. If the DNS entries of sbb.ch are removed from the local dns cache, there is no way to send mail to this domain!

Two IPs in the same subnet range!

; <<>> DiG 9.3.1 <<>> sbb.ch @merapi.switch.ch any
; (2 servers found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22688
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;sbb.ch.                                IN      ANY

;; AUTHORITY SECTION:
sbb.ch.                 43200   IN      NS      ns1.sbb.ch.
sbb.ch.                 43200   IN      NS      ns2.sbb.ch.

;; ADDITIONAL SECTION:
ns1.sbb.ch.             43200   IN      A       194.150.245.3
ns2.sbb.ch.             43200   IN      A       194.150.245.4

;; Query time: 29 msec
;; SERVER: 130.59.211.10#53(130.59.211.10)
;; WHEN: Fri May 11 17:46:35 2007
;; MSG SIZE  rcvd: 92


Adrian
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