weblog d’un abbe

20080111

intel.com DNS admins suck bigtime

Filed under: Fun — abbe @ 1641
[wahjava@laptop ~]$ dig +trace www.intel.com

; <> DiG 9.5.0a6 <> +trace www.intel.com
;; global options:  printcmd
.                       514004  IN      NS      C.ROOT-SERVERS.NET.
.                       514004  IN      NS      D.ROOT-SERVERS.NET.
.                       514004  IN      NS      E.ROOT-SERVERS.NET.
.                       514004  IN      NS      F.ROOT-SERVERS.NET.
.                       514004  IN      NS      G.ROOT-SERVERS.NET.
.                       514004  IN      NS      H.ROOT-SERVERS.NET.
.                       514004  IN      NS      I.ROOT-SERVERS.NET.
.                       514004  IN      NS      J.ROOT-SERVERS.NET.
.                       514004  IN      NS      K.ROOT-SERVERS.NET.
.                       514004  IN      NS      L.ROOT-SERVERS.NET.
.                       514004  IN      NS      M.ROOT-SERVERS.NET.
.                       514004  IN      NS      A.ROOT-SERVERS.NET.
.                       514004  IN      NS      B.ROOT-SERVERS.NET.
;; Received 228 bytes from 172.18.33.125#53(172.18.33.125) in 1 ms

com.                    172800  IN      NS      A.GTLD-SERVERS.NET.
com.                    172800  IN      NS      G.GTLD-SERVERS.NET.
com.                    172800  IN      NS      L.GTLD-SERVERS.NET.
com.                    172800  IN      NS      B.GTLD-SERVERS.NET.
com.                    172800  IN      NS      I.GTLD-SERVERS.NET.
com.                    172800  IN      NS      H.GTLD-SERVERS.NET.
com.                    172800  IN      NS      E.GTLD-SERVERS.NET.
com.                    172800  IN      NS      D.GTLD-SERVERS.NET.
com.                    172800  IN      NS      M.GTLD-SERVERS.NET.
com.                    172800  IN      NS      C.GTLD-SERVERS.NET.
com.                    172800  IN      NS      J.GTLD-SERVERS.NET.
com.                    172800  IN      NS      K.GTLD-SERVERS.NET.
com.                    172800  IN      NS      F.GTLD-SERVERS.NET.
;; Received 491 bytes from 202.12.27.33#53(M.ROOT-SERVERS.NET) in 923 ms

intel.com.              172800  IN      NS      ns1.intel.com.
intel.com.              172800  IN      NS      ns2.intel.com.
intel.com.              172800  IN      NS      ns3.intel.com.
intel.com.              172800  IN      NS      ns4.intel.com.
;; Received 167 bytes from 192.35.51.30#53(F.GTLD-SERVERS.NET) in 1022 ms

www.intel.com.          60      IN      CNAME   www.intel.com.edgesuite.net.
.                       113388  IN      NS      C.ROOT-SERVERS.net.
.                       113388  IN      NS      D.ROOT-SERVERS.net.
.                       113388  IN      NS      E.ROOT-SERVERS.net.
.                       113388  IN      NS      F.ROOT-SERVERS.net.
.                       113388  IN      NS      G.ROOT-SERVERS.net.
.                       113388  IN      NS      H.ROOT-SERVERS.net.
.                       113388  IN      NS      I.ROOT-SERVERS.net.
.                       113388  IN      NS      J.ROOT-SERVERS.net.
.                       113388  IN      NS      K.ROOT-SERVERS.net.
.                       113388  IN      NS      L.ROOT-SERVERS.net.
.                       113388  IN      NS      M.ROOT-SERVERS.net.
.                       113388  IN      NS      A.ROOT-SERVERS.net.
.                       113388  IN      NS      B.ROOT-SERVERS.net.
;; Received 280 bytes from 143.183.152.22#53(ns3.intel.com) in 1001 ms

Forget the latency of my internet connection, but WTF is this TTL of 60s for http://www.intel.com. Are they running their servers on Dynamic IP boxes, hmm… Even DNS records of more popular sites like http://www.google.com and http://www.yahoo.com has TTL of 300s.

[wahjava@laptop ~]$ dig +trace www.google.com

; <> DiG 9.5.0a6 <> +trace www.google.com
;; global options:  printcmd
.                       513848  IN      NS      L.ROOT-SERVERS.NET.
.                       513848  IN      NS      M.ROOT-SERVERS.NET.
.                       513848  IN      NS      A.ROOT-SERVERS.NET.
.                       513848  IN      NS      B.ROOT-SERVERS.NET.
.                       513848  IN      NS      C.ROOT-SERVERS.NET.
.                       513848  IN      NS      D.ROOT-SERVERS.NET.
.                       513848  IN      NS      E.ROOT-SERVERS.NET.
.                       513848  IN      NS      F.ROOT-SERVERS.NET.
.                       513848  IN      NS      G.ROOT-SERVERS.NET.
.                       513848  IN      NS      H.ROOT-SERVERS.NET.
.                       513848  IN      NS      I.ROOT-SERVERS.NET.
.                       513848  IN      NS      J.ROOT-SERVERS.NET.
.                       513848  IN      NS      K.ROOT-SERVERS.NET.
;; Received 260 bytes from 172.18.33.125#53(172.18.33.125) in 1 ms

com.                    172800  IN      NS      M.GTLD-SERVERS.NET.
com.                    172800  IN      NS      A.GTLD-SERVERS.NET.
com.                    172800  IN      NS      B.GTLD-SERVERS.NET.
com.                    172800  IN      NS      C.GTLD-SERVERS.NET.
com.                    172800  IN      NS      D.GTLD-SERVERS.NET.
com.                    172800  IN      NS      E.GTLD-SERVERS.NET.
com.                    172800  IN      NS      F.GTLD-SERVERS.NET.
com.                    172800  IN      NS      G.GTLD-SERVERS.NET.
com.                    172800  IN      NS      H.GTLD-SERVERS.NET.
com.                    172800  IN      NS      I.GTLD-SERVERS.NET.
com.                    172800  IN      NS      J.GTLD-SERVERS.NET.
com.                    172800  IN      NS      K.GTLD-SERVERS.NET.
com.                    172800  IN      NS      L.GTLD-SERVERS.NET.
;; Received 504 bytes from 198.41.0.4#53(A.ROOT-SERVERS.NET) in 701 ms

google.com.             172800  IN      NS      ns1.google.com.
google.com.             172800  IN      NS      ns2.google.com.
google.com.             172800  IN      NS      ns3.google.com.
google.com.             172800  IN      NS      ns4.google.com.
;; Received 168 bytes from 192.54.112.30#53(H.GTLD-SERVERS.NET) in 957 ms

www.google.com.         604800  IN      CNAME   www.l.google.com.
l.google.com.           86400   IN      NS      a.l.google.com.
l.google.com.           86400   IN      NS      b.l.google.com.
l.google.com.           86400   IN      NS      c.l.google.com.
l.google.com.           86400   IN      NS      d.l.google.com.
l.google.com.           86400   IN      NS      e.l.google.com.
l.google.com.           86400   IN      NS      f.l.google.com.
l.google.com.           86400   IN      NS      g.l.google.com.
;; Received 276 bytes from 216.239.36.10#53(ns3.google.com) in 1059 ms

[wahjava@laptop ~]$ dig +trace www.l.google.com

; <> DiG 9.5.0a6 <> +trace www.l.google.com
;; global options:  printcmd
.                       513825  IN      NS      K.ROOT-SERVERS.NET.
.                       513825  IN      NS      L.ROOT-SERVERS.NET.
.                       513825  IN      NS      M.ROOT-SERVERS.NET.
.                       513825  IN      NS      A.ROOT-SERVERS.NET.
.                       513825  IN      NS      B.ROOT-SERVERS.NET.
.                       513825  IN      NS      C.ROOT-SERVERS.NET.
.                       513825  IN      NS      D.ROOT-SERVERS.NET.
.                       513825  IN      NS      E.ROOT-SERVERS.NET.
.                       513825  IN      NS      F.ROOT-SERVERS.NET.
.                       513825  IN      NS      G.ROOT-SERVERS.NET.
.                       513825  IN      NS      H.ROOT-SERVERS.NET.
.                       513825  IN      NS      I.ROOT-SERVERS.NET.
.                       513825  IN      NS      J.ROOT-SERVERS.NET.
;; Received 292 bytes from 172.18.33.125#53(172.18.33.125) in 1 ms

com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
;; Received 494 bytes from 199.7.83.42#53(L.ROOT-SERVERS.NET) in 387 ms

google.com.             172800  IN      NS      ns1.google.com.
google.com.             172800  IN      NS      ns2.google.com.
google.com.             172800  IN      NS      ns3.google.com.
google.com.             172800  IN      NS      ns4.google.com.
;; Received 170 bytes from 192.31.80.30#53(d.gtld-servers.net) in 966 ms

l.google.com.           86400   IN      NS      a.l.google.com.
l.google.com.           86400   IN      NS      b.l.google.com.
l.google.com.           86400   IN      NS      c.l.google.com.
l.google.com.           86400   IN      NS      d.l.google.com.
l.google.com.           86400   IN      NS      e.l.google.com.
l.google.com.           86400   IN      NS      f.l.google.com.
l.google.com.           86400   IN      NS      g.l.google.com.
;; Received 258 bytes from 216.239.32.10#53(ns1.google.com) in 351 ms

www.l.google.com.       300     IN      A       72.14.235.99
www.l.google.com.       300     IN      A       72.14.235.104
www.l.google.com.       300     IN      A       72.14.235.147
;; Received 82 bytes from 66.249.93.9#53(d.l.google.com) in 949 ms
[wahjava@laptop ~]$ dig +trace www.yahoo.com

; <> DiG 9.5.0a6 <> +trace www.yahoo.com
;; global options:  printcmd
.                       513788  IN      NS      J.ROOT-SERVERS.NET.
.                       513788  IN      NS      K.ROOT-SERVERS.NET.
.                       513788  IN      NS      L.ROOT-SERVERS.NET.
.                       513788  IN      NS      M.ROOT-SERVERS.NET.
.                       513788  IN      NS      A.ROOT-SERVERS.NET.
.                       513788  IN      NS      B.ROOT-SERVERS.NET.
.                       513788  IN      NS      C.ROOT-SERVERS.NET.
.                       513788  IN      NS      D.ROOT-SERVERS.NET.
.                       513788  IN      NS      E.ROOT-SERVERS.NET.
.                       513788  IN      NS      F.ROOT-SERVERS.NET.
.                       513788  IN      NS      G.ROOT-SERVERS.NET.
.                       513788  IN      NS      H.ROOT-SERVERS.NET.
.                       513788  IN      NS      I.ROOT-SERVERS.NET.
;; Received 292 bytes from 172.18.33.125#53(172.18.33.125) in 1 ms

com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
;; Received 491 bytes from 199.7.83.42#53(L.ROOT-SERVERS.NET) in 386 ms

yahoo.com.              172800  IN      NS      ns1.yahoo.com.
yahoo.com.              172800  IN      NS      ns2.yahoo.com.
yahoo.com.              172800  IN      NS      ns3.yahoo.com.
yahoo.com.              172800  IN      NS      ns4.yahoo.com.
yahoo.com.              172800  IN      NS      ns5.yahoo.com.
;; Received 201 bytes from 192.12.94.30#53(e.gtld-servers.net) in 328 ms

www.yahoo.com.          300     IN      CNAME   www.yahoo-ht3.akadns.net.
.                       3600000 IN      NS      A.ROOT-SERVERS.net.
.                       3600000 IN      NS      B.ROOT-SERVERS.net.
.                       3600000 IN      NS      C.ROOT-SERVERS.net.
.                       3600000 IN      NS      D.ROOT-SERVERS.net.
.                       3600000 IN      NS      E.ROOT-SERVERS.net.
.                       3600000 IN      NS      F.ROOT-SERVERS.net.
.                       3600000 IN      NS      G.ROOT-SERVERS.net.
.                       3600000 IN      NS      H.ROOT-SERVERS.net.
.                       3600000 IN      NS      I.ROOT-SERVERS.net.
.                       3600000 IN      NS      J.ROOT-SERVERS.net.
.                       3600000 IN      NS      K.ROOT-SERVERS.net.
.                       3600000 IN      NS      L.ROOT-SERVERS.net.
.                       3600000 IN      NS      M.ROOT-SERVERS.net.
;; Received 277 bytes from 68.142.255.16#53(ns2.yahoo.com) in 1289 ms

LoL on Intel customers. I’m also one of them :(

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6 Comments »

  1. how does this affect anyone – maybe their processors will wear out faster due to over use, but then they make their own …

    Comment by kenneth gonsalves — 20080111 @ 1700

  2. For users, who’re visiting http://www.intel.com website, it will be more frequent DNS queries for http://www.intel.com, every minute.

    Comment by आशीष शुक्ल — 20080111 @ 1714

  3. I thought it was airtel which sucked big time the other day.
    and AFAIK there’s no any present alternative for Intel we had to manag it with same alone.

    Comment by Yogesh — 20080121 @ 1324

  4. Found a typo “and http://www.yahoo.com has TTL of 300s.” should be like “and http://www.yahoo.com has TTL of 300ms.”
    :)

    Comment by makuchaku — 20080128 @ 1822

  5. First of all thanks for your visit, and sorry to inform you that your guess is incorrect, http://en.wikipedia.org/wiki/Time_to_live#Time_to_live_of_DNS_records . Time to have some DNS basics :)

    Comment by आशीष शुक्ल — 20080128 @ 1829

  6. Hmm, right – I take back my words :)

    Comment by makuchaku — 20080203 @ 0242


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