Looks specific to several of their NS' in the "u06" subdomain.
Everything returned from the "r06" servers resolves correctly.
a.u06.twtrdns.net
b.u06.twtrdns.net
c.u06.twtrdns.net
d.u06.twtrdns.net
On 6/20/2023 11:17 AM, Tom Bartel via mailop wrote:
Twitter seems to have copy/pasted quoted string into "some" of the DNS
servers such that were logging copious errors. Anyone else seeing this?
Bad record:
dig dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com> txt
; <<>> DiG 9.10.6 <<>> dkim-201406._domainkey.twitter.com
<http://domainkey.twitter.com> txt
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1956
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com>. IN TXT
;; ANSWER SECTION:
dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com>. 60 IN TXT "\"v=DKIM1;
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwe34ubzrMzM9sT0XVkcc3UXd7W+EHCyHoqn70l2AxXox52lAZzH/UnKwAoO+5qsuP7T9QOifIJ9ddNH9lEQ95Y/GdHBsPLGdgSJIs95mXNxscD6MSyejpenMGL9TPQAcxfqY5xPViZ+1wA1qcr\"
\"yjdZKRqf1f4fpMY+x3b8k7H5Qyf/Smz0sv4xFsx1r+THNIz0rz"
"k2LO3GvE0f1ybp6P+5eAelYU4mGeZQqsKw/eB20I3jHWEyGrXuvzB67nt6ddI+N2eD5K38wg/aSytOsb5O+bUSEe7P0zx9ebRRVknCD6uuqG3gSmQmttlD5OrMWSXzrPIXe8eTBaaPd+e/jfxwIDAQAB\""
;; Query time: 170 msec
;; SERVER: 10.1.5.4#53(10.1.5.4)
;; WHEN: Tue Jun 20 12:08:03 -03 2023
;; MSG SIZE rcvd: 485
Bad record:
dig dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com> txt
+short
"\"v=DKIM1;
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwe34ubzrMzM9sT0XVkcc3UXd7W+EHCyHoqn70l2AxXox52lAZzH/UnKwAoO+5qsuP7T9QOifIJ9ddNH9lEQ95Y/GdHBsPLGdgSJIs95mXNxscD6MSyejpenMGL9TPQAcxfqY5xPViZ+1wA1qcr\"
\"yjdZKRqf1f4fpMY+x3b8k7H5Qyf/Smz0sv4xFsx1r+THNIz0rz"
"k2LO3GvE0f1ybp6P+5eAelYU4mGeZQqsKw/eB20I3jHWEyGrXuvzB67nt6ddI+N2eD5K38wg/aSytOsb5O+bUSEe7P0zx9ebRRVknCD6uuqG3gSmQmttlD5OrMWSXzrPIXe8eTBaaPd+e/jfxwIDAQAB\""
Good record:
dig dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com> txt
; <<>> DiG 9.10.6 <<>> dkim-201406._domainkey.twitter.com
<http://domainkey.twitter.com> txt
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25524
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com>. IN TXT
;; ANSWER SECTION:
dkim-201406._domainkey.twitter.com <http://domainkey.twitter.com>. 6 IN TXT "v=DKIM1;
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwe34ubzrMzM9sT0XVkcc3UXd7W+EHCyHoqn70l2AxXox52lAZzH/UnKwAoO+5qsuP7T9QOifIJ9ddNH9lEQ95Y/GdHBsPLGdgSJIs95mXNxscD6MSyejpenMGL9TPQAcxfqY5xPViZ+1wA1qcr"
"yjdZKRqf1f4fpMY+x3b8k7H5Qyf/Smz0sv4xFsx1r+THNIz0rzk2LO3GvE0f1ybp6P+5eAelYU4mGeZQqsKw/eB20I3jHWEyGrXuvzB67nt6ddI+N2eD5K38wg/aSytOsb5O+bUSEe7P0zx9ebRRVknCD6uuqG3gSmQmttlD5OrMWSXzrPIXe8eTBaaPd+e/jfxwIDAQAB"
;; Query time: 191 msec
;; SERVER: 10.1.5.4#53(10.1.5.4)
;; WHEN: Tue Jun 20 12:03:30 -03 2023
;; MSG SIZE rcvd: 480
Good record:
dig scph0618._domainkey.i.drop.com <http://domainkey.i.drop.com> txt +short
"v=DKIM1; k=rsa; h=sha256;
p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsj4i57bbiuDFupkAlTYX3E/DD6eq+kcr3KQ5MnbdIXIUYTC1cJ0AhMCv2HHJxztIsFt6HlQUF2GOVrxKX3UUibf9Gmum7GHVqms5/Ok+2m1/sRqOcqYwR4Xt67N5cyiTViURMuWcUOK5bTp3+WQR8/FjlUXPvTdhma7Rvs4qznwIDAQAB"
--
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"Life's most persistent and urgent question is, 'What are you doing
for others?'" - Martin Luther King Jr.
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