[dns-operations] Surprising ds.fedex.com NS RRset.

Viktor Dukhovni ietf-dane at dukhovni.org
Fri Mar 5 07:16:00 UTC 2021


The below was just brought to my attention, a domain with 81(!) records
in its NS RRSet (3201 bytes over TCP):

    ; <<>> DiG 9.16.11 <<>> +nocl +nottl -t ns ds.fedex.com
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57356
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 81, AUTHORITY: 0, ADDITIONAL: 79

    ;; OPT PSEUDOSECTION:
    ; EDNS: version: 0, flags:; udp: 8192
    ;; QUESTION SECTION:
    ;ds.fedex.com.		IN NS

    ;; ANSWER SECTION:
    ds.fedex.com. NS kate.fedex.com.
    ds.fedex.com. NS land.fedex.com.
    ds.fedex.com. NS corp-bru-dc01.corp.ds.fedex.com.
    ds.fedex.com. NS corp-bru-dc02.corp.ds.fedex.com.
    ds.fedex.com. NS corp-ccoh-dc3.corp.ds.fedex.com.
    ds.fedex.com. NS corp-ccoh-dc4.corp.ds.fedex.com.
    ds.fedex.com. NS corp-ccpa-dc5.corp.ds.fedex.com.
    ds.fedex.com. NS corp-hro-dc01.corp.ds.fedex.com.
    ds.fedex.com. NS corp-hro-dc02.corp.ds.fedex.com.
    ds.fedex.com. NS corp-kno-dc01.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00020.ds.fedex.com.
    ds.fedex.com. NS pwn00292.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00299.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00381.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00382.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00383.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00384.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00385.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00499.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00543.ds.fedex.com.
    ds.fedex.com. NS pwn00544.ds.fedex.com.
    ds.fedex.com. NS pwn00545.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00546.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00547.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00548.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00549.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00959.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00960.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00961.corp.ds.fedex.com.
    ds.fedex.com. NS pwn00965.corp.ds.fedex.com.
    ds.fedex.com. NS pwn01400.ds.fedex.com.
    ds.fedex.com. NS pwn01401.ds.fedex.com.
    ds.fedex.com. NS pwn02099.ds.fedex.com.
    ds.fedex.com. NS pwn02100.corp.ds.fedex.com.
    ds.fedex.com. NS pwn02999.corp.ds.fedex.com.
    ds.fedex.com. NS pwn03000.ds.fedex.com.
    ds.fedex.com. NS pwn03555.corp.ds.fedex.com.
    ds.fedex.com. NS pwn03556.corp.ds.fedex.com.
    ds.fedex.com. NS pwn03557.corp.ds.fedex.com.
    ds.fedex.com. NS pwn03558.corp.ds.fedex.com.
    ds.fedex.com. NS pwn03559.corp.ds.fedex.com.
    ds.fedex.com. NS pwn08184.corp.ds.fedex.com.
    ds.fedex.com. NS pwn08185.corp.ds.fedex.com.
    ds.fedex.com. NS pwn08186.corp.ds.fedex.com.
    ds.fedex.com. NS pwn08187.corp.ds.fedex.com.
    ds.fedex.com. NS pwn08188.corp.ds.fedex.com.
    ds.fedex.com. NS pwn59500.corp.ds.fedex.com.
    ds.fedex.com. NS pwn59501.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60184.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60185.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60186.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60188.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60189.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60190.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60191.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60192.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60193.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60194.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60195.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60196.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60197.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60204.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60205.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60206.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60207.corp.ds.fedex.com.
    ds.fedex.com. NS pwn60208.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90056.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90057.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90148.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90149.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90150.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90152.corp.ds.fedex.com.
    ds.fedex.com. NS pwn90153.corp.ds.fedex.com.
    ds.fedex.com. NS pwna0001.corp.ds.fedex.com.
    ds.fedex.com. NS pwna0002.corp.ds.fedex.com.
    ds.fedex.com. NS pwna0003.corp.ds.fedex.com.
    ds.fedex.com. NS pwna0004.corp.ds.fedex.com.
    ds.fedex.com. NS pwniebn0003.corp.ds.fedex.com.
    ds.fedex.com. NS pwniebn0004.corp.ds.fedex.com.
    ds.fedex.com. NS pwniebn0005.corp.ds.fedex.com.
    ds.fedex.com. NS pwniebn0006.corp.ds.fedex.com.

    ;; ADDITIONAL SECTION:
    corp-bru-dc01.corp.ds.fedex.com. A 170.86.43.56
    corp-bru-dc02.corp.ds.fedex.com. A 170.86.44.208
    corp-ccoh-dc3.corp.ds.fedex.com. A 172.20.240.20
    corp-ccoh-dc4.corp.ds.fedex.com. A 172.20.240.21
    corp-ccpa-dc5.corp.ds.fedex.com. A 172.20.128.20
    corp-hro-dc01.corp.ds.fedex.com. A 10.10.1.94
    corp-hro-dc02.corp.ds.fedex.com. A 10.10.1.243
    pwn00020.ds.fedex.com.           A 204.135.42.42
    pwn00292.corp.ds.fedex.com.      A 204.135.242.21
    pwn00299.corp.ds.fedex.com.      A 204.135.42.193
    pwn00381.corp.ds.fedex.com.      A 204.135.242.22
    pwn00382.corp.ds.fedex.com.      A 204.135.242.23
    pwn00383.corp.ds.fedex.com.      A 204.135.242.24
    pwn00384.corp.ds.fedex.com.      A 204.135.242.25
    pwn00385.corp.ds.fedex.com.      A 204.135.242.26
    pwn00499.corp.ds.fedex.com.      A 204.135.32.235
    pwn00543.ds.fedex.com.           A 10.76.12.54
    pwn00544.ds.fedex.com.           A 10.76.12.55
    pwn00545.corp.ds.fedex.com.      A 10.76.12.56
    pwn00546.corp.ds.fedex.com.      A 10.76.12.57
    pwn00547.corp.ds.fedex.com.      A 10.76.12.58
    pwn00548.corp.ds.fedex.com.      A 10.76.12.59
    pwn00549.corp.ds.fedex.com.      A 10.76.12.60
    pwn00959.corp.ds.fedex.com.      A 204.135.36.89
    pwn00960.corp.ds.fedex.com.      A 204.135.36.90
    pwn00961.corp.ds.fedex.com.      A 204.135.36.91
    pwn00965.corp.ds.fedex.com.      A 204.135.242.105
    pwn01400.ds.fedex.com.           A 204.135.235.52
    pwn01401.ds.fedex.com.           A 204.135.235.53
    pwn02099.ds.fedex.com.           A 10.242.72.152
    pwn02100.corp.ds.fedex.com.      A 10.242.72.153
    pwn02999.corp.ds.fedex.com.      A 10.236.22.62
    pwn03000.ds.fedex.com.           A 10.236.22.63
    pwn03555.corp.ds.fedex.com.      A 204.135.242.27
    pwn03556.corp.ds.fedex.com.      A 204.135.242.28
    pwn03557.corp.ds.fedex.com.      A 204.135.242.29
    pwn03558.corp.ds.fedex.com.      A 204.135.242.30
    pwn03559.corp.ds.fedex.com.      A 204.135.242.31
    pwn08184.corp.ds.fedex.com.      A 204.135.46.135
    pwn08185.corp.ds.fedex.com.      A 204.135.46.136
    pwn08186.corp.ds.fedex.com.      A 204.135.46.137
    pwn08187.corp.ds.fedex.com.      A 204.135.46.77
    pwn08188.corp.ds.fedex.com.      A 204.135.46.78
    pwn59500.corp.ds.fedex.com.      A 10.10.41.96
    pwn59501.corp.ds.fedex.com.      A 10.10.41.97
    pwn60184.corp.ds.fedex.com.      A 204.135.36.198
    pwn60185.corp.ds.fedex.com.      A 204.135.36.199
    pwn60186.corp.ds.fedex.com.      A 204.135.36.200
    pwn60188.corp.ds.fedex.com.      A 204.135.36.202
    pwn60189.corp.ds.fedex.com.      A 204.135.36.203
    pwn60190.corp.ds.fedex.com.      A 204.135.36.204
    pwn60191.corp.ds.fedex.com.      A 204.135.38.224
    pwn60192.corp.ds.fedex.com.      A 204.135.38.225
    pwn60193.corp.ds.fedex.com.      A 204.135.38.226
    pwn60194.corp.ds.fedex.com.      A 204.135.38.227
    pwn60195.corp.ds.fedex.com.      A 204.135.38.228
    pwn60196.corp.ds.fedex.com.      A 204.135.38.229
    pwn60197.corp.ds.fedex.com.      A 204.135.38.230
    pwn60204.corp.ds.fedex.com.      A 204.135.33.20
    pwn60205.corp.ds.fedex.com.      A 204.135.242.125
    pwn60206.corp.ds.fedex.com.      A 204.135.242.126
    pwn60207.corp.ds.fedex.com.      A 204.135.242.127
    pwn60208.corp.ds.fedex.com.      A 204.135.242.128
    pwn90056.corp.ds.fedex.com.      A 10.236.20.34
    pwn90057.corp.ds.fedex.com.      A 10.236.20.35
    pwn90148.corp.ds.fedex.com.      A 10.76.48.73
    pwn90149.corp.ds.fedex.com.      A 10.76.48.74
    pwn90150.corp.ds.fedex.com.      A 10.76.48.75
    pwn90152.corp.ds.fedex.com.      A 10.76.48.77
    pwn90153.corp.ds.fedex.com.      A 10.76.48.78
    pwna0001.corp.ds.fedex.com.      A 10.45.8.134
    pwna0002.corp.ds.fedex.com.      A 10.45.8.135
    pwna0003.corp.ds.fedex.com.      A 10.45.8.136
    pwna0004.corp.ds.fedex.com.      A 10.45.8.137
    pwniebn0003.corp.ds.fedex.com.   A 10.37.106.129
    pwniebn0004.corp.ds.fedex.com.   A 10.37.106.130
    pwniebn0005.corp.ds.fedex.com.   A 10.37.106.131
    pwniebn0006.corp.ds.fedex.com.   A 10.37.106.132

    ;; Query time: 0 msec
    ;; SERVER: 127.0.0.1#53(127.0.0.1)
    ;; WHEN: Fri Mar 05 01:59:48 EST 2021
    ;; MSG SIZE  rcvd: 3201

-- 
    Viktor.


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