Ztomy.com again?

Patrick nanog at haller.ws
Wed Jul 17 03:57:26 UTC 2019


Anyone else seeing DNS oddities from info.net / infonet.com ?

fwdrev() {
  for ip in `dig +short A $1 @$2`; do
    echo $ip `dig +short -x $ip @$2`
  done
}

fwdrev smtp.microsoft.com 8.8.8.8
131.107.115.215 smtp.microsoft.com. mailb.microsoft.com. mail2.microsoft.com.
131.107.115.214 mailc.microsoft.com. mail3.microsoft.com. smtp.microsoft.com.
205.248.106.64 ns1327.ztomy.com.
205.248.106.30 ns1327.ztomy.com.
205.248.106.32 ns1327.ztomy.com.
131.107.115.212 smtp.microsoft.com. mail1.microsoft.com.

fwdrev smtp.microsoft.com 1.1.1.1
205.248.106.30 ns1327.ztomy.com.
205.248.106.32 ns1327.ztomy.com.
205.248.106.64 ns1327.ztomy.com.
131.107.115.212 smtp.microsoft.com. mail1.microsoft.com.
131.107.115.214 mailc.microsoft.com. smtp.microsoft.com. mail3.microsoft.com.
131.107.115.215 mailb.microsoft.com. smtp.microsoft.com. mail2.microsoft.com.


dig +trace -x 205.248.106.30
...

248.205.in-addr.arpa.   86400   IN      NS      dns1.info.net.
248.205.in-addr.arpa.   86400   IN      NS      dns1.infonet.com.
248.205.in-addr.arpa.   86400   IN      NS      dnseur.info.net.
;; Received 360 bytes from 193.0.9.10#53(arin.authdns.ripe.net) in 179 ms

30.106.248.205.in-addr.arpa. 300 IN     PTR     ns1327.ztomy.com.
;; Received 86 bytes from 208.91.197.27#53(dns1.infonet.com) in 217 ms



Patrick




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