diff options
| -rw-r--r-- | man3/resolver.3 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/man3/resolver.3 b/man3/resolver.3 index dddfc2d47f..a62becdd7f 100644 --- a/man3/resolver.3 +++ b/man3/resolver.3 @@ -351,9 +351,12 @@ Send each query simultaneously and recursively to all servers. Note this option overrides .BR RES_ROTATE . .TP -.BR RES_USEBSTRING " (since glibc 2.3.4)" +.BR RES_USEBSTRING " (glibc 2.3.4 to 2.24)" Make reverse IPv6 lookups using the bit-label format described in RFC 2673; if this option is not set (which is the default), then nibble format is used. +This option was removed in glibc 2.25, +since it relied on a backward-incompatible +DNS extension that was never deployed on the Internet. .TP .BR RES_NOIP6DOTINT " (glibc 2.24 and earlier)" Use |