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--- system:what_is_my_ip_address [2023-12-15T09:14:53+0000]
michael_paoli +update.dynamic.name, one.one.one.one, also noted U for UDP only on some DNS, dns.toys gained IPv6
+++ system:what_is_my_ip_address [2023-12-15T09:18:46+0000]
michael_paoli DNS: updated example
@@ Line 435: / Line 435: @@
 <file>
-for ns_rr_types in \
+myv4="$(curl -4 -s https://ipv4.balug.org/myip)" || exit
-  'ns1.google.com. o-o.myaddr.l.google.com. TXT' \
+myv6="$(curl -6 -s https://ipv6.balug.org/myip)" || exit
-  'resolver1.opendns.com. myip.opendns.com. A AAAA' \
+control_M="$(printf '\015')"
-  'ns.sslip.io. ip.sslip.io. TXT' \
+#digopts='+noall +answer +nottl +norecurse'
-  'ns1-1.akamaitech.net. whoami.akamai.net. A' \
+digopts='+short +norecurse'
-  'dns.toys ip. TXT'
+for ns_rr_class_types in \
+  '1.1.1.1 whoami.cloudflare CH TXT' \
+  'ns1.google.com. o-o.myaddr.l.google.com. IN TXT' \
+  'resolver1.opendns.com. myip.opendns.com. IN A AAAA' \
+  'ns.sslip.io. ip.sslip.io. IN TXT' \
+  'update.dynamic.name. my.dynamic.name. IN A' \
+  'ns1-1.akamaitech.net. whoami.akamai.net. IN A' \
+  'one.one.one.one. whoami.cloudflare. CH TXT' \
+  'dns.toys ip. IN TXT'
 do
-  set -- $ns_rr_types; NS="$1"; shift; RR="$1"; shift; TYPES="$*"
+  set -- $ns_rr_class_types
-  query=
+  NS="$1"; shift; RR="$1"; shift; CLASS="$1"; shift; TYPES="$*"
   for TYPE in $TYPES
   do
-    query="${query:+$query }$RR $TYPE"
+    query="$RR $TYPE $CLASS"
+    for v in 4 6
+    do
+      case "$v" in
+)
+          myip="$myv4"
+        ;;
+)
+          myip="$myv6"
+        ;;
+      esac
+      r=$(dig @"$NS" $digopts -"$v" $query 2>>/dev/null) &&
+      case "$r" in
+        \""$myip"\"|"$myip")
+          echo "\$ dig @"$NS" $digopts -"$v" $query"
+          echo $r
+        ;;
+        *"$myip"*)
+          echo "\$ dig @"$NS" $digopts -"$v" $query"
+          printf 'found in text:\n%s\n' "$r"
+        ;;
+        *)
+          myRE=$(
+            echo "$myip" |
+            sed -e 's/[.:]/-/g'
+          )
+          printf '%s' "$r" |
+          if grep "$myRE" >>/dev/null; then
+            echo "\$ dig @"$NS" $digopts -"$v" $query"
+            echo $myip found in text in alternative format
+          fi
+        ;;
+      esac
+      r=$(dig @"$NS" +tcp $digopts -"$v" $query 2>>/dev/null) &&
+      case "$r" in
+        \""$myip"\"|"$myip")
+          echo "\$ dig @"$NS" +tcp $digopts -"$v" $query"
+          echo $r
+        ;;
+        *"$myip"*)
+          echo "\$ dig @"$NS" +tcp $digopts -"$v" $query"
+          printf 'found in text:\n%s\n' "$r"
+        ;;
+        *)
+          myRE=$(
+            echo "$myip" |
+            sed -e 's/[.:]/-/g'
+          )
+          printf '%s' "$r" |
+          if grep "$myRE" >>/dev/null; then
+            echo "\$ dig @"$NS" +tcp $digopts -"$v" $query"
+            echo $myip found in text in alternative format
+          fi
+        ;;
+      esac
+    done
   done
-  for v in 4 6
-  do
-    r=$(dig @"$NS" +short +norecurse -"$v" $query 2>>/dev/null) &&
-    [ -n "$r" ] && {
-      echo \$ dig @"$NS" +short +norecurse -"$v" $query
-      echo $r
-    }
-  done
-  :
 done; echo '$ '
+$ dig @1.1.1.1 +short +norecurse -4 whoami.cloudflare TXT CH
-$ dig @ns1.google.com. +short +norecurse -4 o-o.myaddr.l.google.com. TXT
 "96.86.170.226"
-$ dig @ns1.google.com. +short +norecurse -6 o-o.myaddr.l.google.com. TXT
+$ dig @1.1.1.1 +tcp +short +norecurse -4 whoami.cloudflare TXT CH
+"96.86.170.226"
+$ dig @ns1.google.com. +short +norecurse -4 o-o.myaddr.l.google.com. TXT IN
+"96.86.170.226"
+$ dig @ns1.google.com. +tcp +short +norecurse -4 o-o.myaddr.l.google.com. TXT IN
+"96.86.170.226"
+$ dig @ns1.google.com. +short +norecurse -6 o-o.myaddr.l.google.com. TXT IN
 "2001:470:67:76f::2"
-$ dig @resolver1.opendns.com. +short +norecurse -4 myip.opendns.com. A myip.opendns.com. AAAA
+$ dig @ns1.google.com. +tcp +short +norecurse -6 o-o.myaddr.l.google.com. TXT IN
+"2001:470:67:76f::2"
+$ dig @resolver1.opendns.com. +short +norecurse -4 myip.opendns.com. A IN
+.86.170.226
+$ dig @resolver1.opendns.com. +tcp +short +norecurse -4 myip.opendns.com. A IN
 .86.170.226
-$ dig @resolver1.opendns.com. +short +norecurse -6 myip.opendns.com. A myip.opendns.com. AAAA
+$ dig @resolver1.opendns.com. +short +norecurse -6 myip.opendns.com. AAAA IN
 :470:67:76f::2
-$ dig @ns.sslip.io. +short +norecurse -4 ip.sslip.io. TXT
+$ dig @resolver1.opendns.com. +tcp +short +norecurse -6 myip.opendns.com. AAAA IN
+:470:67:76f::2
+$ dig @ns.sslip.io. +short +norecurse -4 ip.sslip.io. TXT IN
 "96.86.170.226"
-$ dig @ns.sslip.io. +short +norecurse -6 ip.sslip.io. TXT
+$ dig @ns.sslip.io. +tcp +short +norecurse -4 ip.sslip.io. TXT IN
+"96.86.170.226"
+$ dig @ns.sslip.io. +short +norecurse -6 ip.sslip.io. TXT IN
 "2001:470:67:76f::2"
-$ dig @ns1-1.akamaitech.net. +short +norecurse -4 whoami.akamai.net. A whoami.ak
+$ dig @ns.sslip.io. +tcp +short +norecurse -6 ip.sslip.io. TXT IN
+"2001:470:67:76f::2"
+$ dig @update.dynamic.name. +short +norecurse -4 my.dynamic.name. A IN
 .86.170.226
-$ dig @dns.toys +short +norecurse -4 ip. TXT
+$ dig @ns1-1.akamaitech.net. +short +norecurse -4 whoami.akamai.net. A IN
+.86.170.226
+$ dig @ns1-1.akamaitech.net. +tcp +short +norecurse -4 whoami.akamai.net. A IN
+.86.170.226
+$ dig @one.one.one.one. +short +norecurse -4 whoami.cloudflare. TXT CH
+"96.86.170.226"
+$ dig @one.one.one.one. +tcp +short +norecurse -4 whoami.cloudflare. TXT CH
+"96.86.170.226"
+$ dig @one.one.one.one. +short +norecurse -6 whoami.cloudflare. TXT CH
+"2001:470:67:76f::2"
+$ dig @one.one.one.one. +tcp +short +norecurse -6 whoami.cloudflare. TXT CH
+"2001:470:67:76f::2"
+$ dig @dns.toys +short +norecurse -4 ip. TXT IN
 "96.86.170.226"
-$ dig @dns.toys +short +norecurse -6 ip. TXT
+$ dig @dns.toys +short +norecurse -6 ip. TXT IN
 "2001:470:67:76f::2"
 $

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