msg_add_rrset_ns
if(!msg_add_rrset_ns(z, region, msg, apex, soa)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec3)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, rrset)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, rrset)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, ds)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, nsec))
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;
if(!msg_add_rrset_ns(z, region, msg, apex, soa)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec3)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, rrset)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, rrset)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, ds)) return 0;
if(!msg_add_rrset_ns(z, region, msg, ce, nsec))
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;
if(!msg_add_rrset_ns(z, region, msg, node, nsec)) return 0;