dnspython has been updated upstream to 1.4.0. This adds a couple of useful new features, including convenience methods to map IP addresses to PTR names.
Portage 2.1.1 (default-linux/x86/2006.1, gcc-4.1.1, glibc-2.4-r3, 2.6.17-gentoo-r8 i686) ================================================================= System uname: 2.6.17-gentoo-r8 i686 Intel(R) Celeron(TM) CPU 1300MHz Gentoo Base System version 1.12.5 Last Sync: Thu, 14 Sep 2006 23:00:01 +0000 app-admin/eselect-compiler: [Not Present] dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.13-r3 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r5 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium3 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb /var/bind" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -march=pentium3 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig buildpkg distlocks metadata-transfer sandbox sfperms strict userfetch userpriv usersandbox" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" LINGUAS="" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 X acpi adns amd apache2 apm ares bash-completion berkdb binary-drivers bitmap-fonts browserplugin bzip2 cdrom cdsound clamav clamd cli crypt csv cups curl dlloader doc dovecot-sasl dri dvdread elibc_glibc extramodules fat flac fontconfig foomaticdb fortran gd gdbm glade glitz glut gnutls gpm graphviz gs i8x0 ibam id3 idea ident idled ieee1394 imap innodb inode input_devices_evdev input_devices_keyboard input_devices_mouse insecure-savers iodbc ipod iproute2 ipv6 isdnlog itcl ithreads jack jack-tmpfs java java5 jce kernel_linux lame libg++ libwww logrotate logwatch lua lzo lzw maildir mbox mixer mmap mod_python modperl modplug motif mp4 mp4live mplayer multiuser music musicbrainz mysql mysqli ncurses net netpbm netserver nfs nls nptl nptlonly nsplugin nspr ntp ocaml odbc offensive openssl opensslcrypt pam pango pcap pcapnav pcmcia pcre pdf perl pg-hier pg-intdatetime php posix postfix postgres ppds pppd procmail ps psyco python pyx pyzor radiotap rar razor rc5 rdesktop readline real recode reflection reiserfs rewrite rfkill rpm rss ruby samba sasl screen sdl-sound sendfile session sguil sitemisc smarty sndfile snmp socks5 sox speedo speex spf spl sqlite3 srvdir sse sse-filters sse2 ssl subversion svg svn-mirror swat swig symlink sysfs syslog sysvipc taglib tagwriting tcl tcltk tcpd tcpmd5 themes theora thesaurus threads tidy tiff timestats timidity tk tools totem truetype-fonts type1 type1-fonts udev unicode unzip urandom usb userland_GNU vcd vda video_cards_apm video_cards_ark video_cards_ati video_cards_chips video_cards_cirrus video_cards_cyrix video_cards_dummy video_cards_fbdev video_cards_glint video_cards_i128 video_cards_i740 video_cards_i810 video_cards_imstt video_cards_mga video_cards_neomagic video_cards_nsc video_cards_nv video_cards_rendition video_cards_s3 video_cards_s3virge video_cards_savage video_cards_siliconmotion video_cards_sis video_cards_sisusb video_cards_tdfx video_cards_tga video_cards_trident video_cards_tseng video_cards_v4l video_cards_vesa video_cards_vga video_cards_via video_cards_vmware video_cards_voodoo vim vim-pager virus-scan vnc vroot wifi wireshark wma wmp wv wxwindows xine xinerama xinetd xmms xorg xscreensaver xslt xterm yiff zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Please note: I was able to build the new version merely by bumping the version number of the ebuild.
Bumped, thanks for reporting!